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FRC?","shockwave-curriculum\u002Flessons\u002Fch01-why-java-for-frc\u002F1.1-why-java-for-frc",{"path":9,"title":10,"stem":11},"\u002Fshockwave-curriculum\u002Flessons\u002Fch01-why-java-for-frc\u002F2-intro-to-algorithms-programming-and-compilers","Intro to Algorithms, Programming and Compilers","shockwave-curriculum\u002Flessons\u002Fch01-why-java-for-frc\u002F1.2-intro-to-algorithms-programming-and-compilers",{"path":13,"title":14,"stem":15},"\u002Fshockwave-curriculum\u002Flessons\u002Fch02-variables-and-types\u002F1-variables-and-data-types","Variables & Data Types","shockwave-curriculum\u002Flessons\u002Fch02-variables-and-types\u002F2.1-variables-and-data-types",{"path":17,"title":18,"stem":19},"\u002Fshockwave-curriculum\u002Flessons\u002Fch02-variables-and-types\u002F2-expressions-and-output","Expressions & Output","shockwave-curriculum\u002Flessons\u002Fch02-variables-and-types\u002F2.2-expressions-and-output",{"path":21,"title":22,"stem":23},"\u002Fshockwave-curriculum\u002Flessons\u002Fch02-variables-and-types\u002F3-assignment-and-input","Assignment & Input","shockwave-curriculum\u002Flessons\u002Fch02-variables-and-types\u002F2.3-assignment-and-input",{"path":25,"title":26,"stem":27},"\u002Fshockwave-curriculum\u002Flessons\u002Fch02-variables-and-types\u002F4-casting-and-ranges-of-values","Casting & Ranges of Values","shockwave-curriculum\u002Flessons\u002Fch02-variables-and-types\u002F2.4-casting-and-ranges-of-values",{"path":29,"title":30,"stem":31},"\u002Fshockwave-curriculum\u002Flessons\u002Fch02-variables-and-types\u002F5-compound-assignment-operators","Compound Assignment Operators","shockwave-curriculum\u002Flessons\u002Fch02-variables-and-types\u002F2.5-compound-assignment-operators",{"path":33,"title":34,"stem":35},"\u002Fshockwave-curriculum\u002Flessons\u002Fch03-apis-libraries-and-documentation\u002F1-apis-and-libraries","APIs and Libraries","shockwave-curriculum\u002Flessons\u002Fch03-apis-libraries-and-documentation\u002F3.1-apis-and-libraries",{"path":37,"title":38,"stem":39},"\u002Fshockwave-curriculum\u002Flessons\u002Fch03-apis-libraries-and-documentation\u002F2-documentation-with-comments-and-preconditions","Documentation with Comments and Preconditions","shockwave-curriculum\u002Flessons\u002Fch03-apis-libraries-and-documentation\u002F3.2-documentation-with-comments-and-preconditions",{"path":41,"title":42,"stem":43},"\u002Fshockwave-curriculum\u002Flessons\u002Fch03-apis-libraries-and-documentation\u002F3-packages-and-imports","Packages & Imports","shockwave-curriculum\u002Flessons\u002Fch03-apis-libraries-and-documentation\u002F3.3-packages-and-imports",{"path":45,"title":46,"stem":47},"\u002Fshockwave-curriculum\u002Flessons\u002Fch04-using-objects-and-calling-methods\u002F1-methods-signatures-and-parameters","Methods, Signatures & Parameters","shockwave-curriculum\u002Flessons\u002Fch04-using-objects-and-calling-methods\u002F4.1-methods-signatures-and-parameters",{"path":49,"title":50,"stem":51},"\u002Fshockwave-curriculum\u002Flessons\u002Fch04-using-objects-and-calling-methods\u002F2-calling-class-methods","Calling Class Methods","shockwave-curriculum\u002Flessons\u002Fch04-using-objects-and-calling-methods\u002F4.2-calling-class-methods",{"path":53,"title":54,"stem":55},"\u002Fshockwave-curriculum\u002Flessons\u002Fch04-using-objects-and-calling-methods\u002F3-using-the-math-class","Using the Math Class","shockwave-curriculum\u002Flessons\u002Fch04-using-objects-and-calling-methods\u002F4.3-using-the-math-class",{"path":57,"title":58,"stem":59},"\u002Fshockwave-curriculum\u002Flessons\u002Fch04-using-objects-and-calling-methods\u002F4-objects-instances-of-classes","Objects — Instances of Classes","shockwave-curriculum\u002Flessons\u002Fch04-using-objects-and-calling-methods\u002F4.4-objects-instances-of-classes",{"path":61,"title":62,"stem":63},"\u002Fshockwave-curriculum\u002Flessons\u002Fch04-using-objects-and-calling-methods\u002F5-creating-and-initializing-objects-constructors","Creating & Initializing Objects: Constructors","shockwave-curriculum\u002Flessons\u002Fch04-using-objects-and-calling-methods\u002F4.5-creating-and-initializing-objects-constructors",{"path":65,"title":66,"stem":67},"\u002Fshockwave-curriculum\u002Flessons\u002Fch04-using-objects-and-calling-methods\u002F6-calling-instance-methods","Calling Instance Methods","shockwave-curriculum\u002Flessons\u002Fch04-using-objects-and-calling-methods\u002F4.6-calling-instance-methods",{"path":69,"title":70,"stem":71},"\u002Fshockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F1-5.2-if-statements-and-for-loops","Control Structures: if Statements & For Loops","shockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F5.1-5.2-if-statements-and-for-loops",{"path":73,"title":74,"stem":75},"\u002Fshockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F10-nested-iteration","Nested Iteration","shockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F5.10-nested-iteration",{"path":77,"title":78,"stem":79},"\u002Fshockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F11-informal-runtime-analysis-of-loops","Informal Runtime Analysis of Loops","shockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F5.11-informal-runtime-analysis-of-loops",{"path":81,"title":82,"stem":83},"\u002Fshockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F12-switch-statements-and-expressions","switch Statements and Expressions","shockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F5.12-switch-statements-and-expressions",{"path":85,"title":86,"stem":87},"\u002Fshockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F3-algorithms-with-selection-and-repetition","Algorithms with Selection and Repetition","shockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F5.3-algorithms-with-selection-and-repetition",{"path":89,"title":90,"stem":91},"\u002Fshockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F4-boolean-expressions","Boolean Expressions","shockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F5.4-boolean-expressions",{"path":93,"title":94,"stem":95},"\u002Fshockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F5-nested-if-statements","Nested if Statements","shockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F5.5-nested-if-statements",{"path":97,"title":98,"stem":99},"\u002Fshockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F6-compound-boolean-expressions","Compound Boolean Expressions","shockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F5.6-compound-boolean-expressions",{"path":101,"title":102,"stem":103},"\u002Fshockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F7-comparing-boolean-expressions-de-morgans-laws","Comparing Boolean Expressions (De Morgan's Laws)","shockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F5.7-comparing-boolean-expressions-de-morgans-laws",{"path":105,"title":106,"stem":107},"\u002Fshockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F8-while-loops","While Loops","shockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F5.8-while-loops",{"path":109,"title":110,"stem":111},"\u002Fshockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F9-implementing-selection-and-iteration-algorithms","Implementing Selection and Iteration Algorithms","shockwave-curriculum\u002Flessons\u002Fch05-control-structures\u002F5.9-implementing-selection-and-iteration-algorithms",{"path":113,"title":114,"stem":115},"\u002Fshockwave-curriculum\u002Flessons\u002Fch06-strings\u002F1-strings","Strings","shockwave-curriculum\u002Flessons\u002Fch06-strings\u002F6.1-strings",{"path":117,"title":118,"stem":119},"\u002Fshockwave-curriculum\u002Flessons\u002Fch06-strings\u002F2-string-algorithms","String Algorithms","shockwave-curriculum\u002Flessons\u002Fch06-strings\u002F6.2-string-algorithms",{"path":121,"title":122,"stem":123},"\u002Fshockwave-curriculum\u002Flessons\u002Fch07-the-class-blueprint\u002F1-anatomy-of-a-java-class","The Class Blueprint","shockwave-curriculum\u002Flessons\u002Fch07-the-class-blueprint\u002F7.1-anatomy-of-a-java-class",{"path":125,"title":126,"stem":127},"\u002Fshockwave-curriculum\u002Flessons\u002Fch07-the-class-blueprint\u002F2-methods-how-to-write-them","Methods: How to Write Them","shockwave-curriculum\u002Flessons\u002Fch07-the-class-blueprint\u002F7.2-methods-how-to-write-them",{"path":129,"title":130,"stem":131},"\u002Fshockwave-curriculum\u002Flessons\u002Fch07-the-class-blueprint\u002F3-methods-passing-and-returning-references-of-an-object","Methods: Passing & Returning References of an Object","shockwave-curriculum\u002Flessons\u002Fch07-the-class-blueprint\u002F7.3-methods-passing-and-returning-references-of-an-object",{"path":133,"title":134,"stem":135},"\u002Fshockwave-curriculum\u002Flessons\u002Fch07-the-class-blueprint\u002F4-class-static-variables-and-methods","Class (static) Variables & Methods","shockwave-curriculum\u002Flessons\u002Fch07-the-class-blueprint\u002F7.4-class-static-variables-and-methods",{"path":137,"title":138,"stem":139},"\u002Fshockwave-curriculum\u002Flessons\u002Fch08-constructors-and-this\u002F1-8.2-constructors-and-this","Constructors & \"this\"","shockwave-curriculum\u002Flessons\u002Fch08-constructors-and-this\u002F8.1-8.2-constructors-and-this",{"path":141,"title":142,"stem":143},"\u002Fshockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F1-array-creation-and-access","Array Creation and Access","shockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F9.1-array-creation-and-access",{"path":145,"title":146,"stem":147},"\u002Fshockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F2-arraylist-and-its-methods","ArrayList and its Methods","shockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F9.2-arraylist-and-its-methods",{"path":149,"title":150,"stem":151},"\u002Fshockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F3-optional-hashmap-dictionary-data-structure","HashMap (Dictionary) Data Structure","shockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F9.3-optional-hashmap-dictionary-data-structure",{"path":153,"title":154,"stem":155},"\u002Fshockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F4-array-traversals","Array Traversals","shockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F9.4-array-traversals",{"path":157,"title":158,"stem":159},"\u002Fshockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F5-implementing-array-algorithms","Implementing Array Algorithms","shockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F9.5-implementing-array-algorithms",{"path":161,"title":162,"stem":163},"\u002Fshockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F6-arraylist-traversals","ArrayList Traversals","shockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F9.6-arraylist-traversals",{"path":165,"title":166,"stem":167},"\u002Fshockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F7-implementing-arraylist-algorithms","Implementing ArrayList Algorithms","shockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F9.7-implementing-arraylist-algorithms",{"path":169,"title":170,"stem":171},"\u002Fshockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F8-using-text-files","Using Text Files","shockwave-curriculum\u002Flessons\u002Fch09-storing-data\u002F9.8-using-text-files",{"path":173,"title":174,"stem":175},"\u002Fshockwave-curriculum\u002Flessons\u002Fch10-2d-arrays\u002F1-2d-array-creation-and-access","2D Array Creation and Access","shockwave-curriculum\u002Flessons\u002Fch10-2d-arrays\u002F10.1-2d-array-creation-and-access",{"path":177,"title":178,"stem":179},"\u002Fshockwave-curriculum\u002Flessons\u002Fch10-2d-arrays\u002F2-2d-array-traversals-nested-loops","2D Array Traversals: Nested Loops","shockwave-curriculum\u002Flessons\u002Fch10-2d-arrays\u002F10.2-2d-array-traversals-nested-loops",{"path":181,"title":182,"stem":183},"\u002Fshockwave-curriculum\u002Flessons\u002Fch10-2d-arrays\u002F3-implementing-2d-array-algorithms","Implementing 2D Array Algorithms","shockwave-curriculum\u002Flessons\u002Fch10-2d-arrays\u002F10.3-implementing-2d-array-algorithms",{"path":185,"title":186,"stem":187},"\u002Fshockwave-curriculum\u002Flessons\u002Fch11-enums-named-choices\u002F11-enums-named-choices","Enums: Named Choices","shockwave-curriculum\u002Flessons\u002Fch11-enums-named-choices\u002F11-enums-named-choices",{"path":189,"title":190,"stem":191},"\u002Fshockwave-curriculum\u002Flessons\u002Fch12-exceptions-and-try-catch\u002F12-exceptions-and-try-catch","Exceptions & try\u002Fcatch","shockwave-curriculum\u002Flessons\u002Fch12-exceptions-and-try-catch\u002F12-exceptions-and-try-catch",{"path":193,"title":194,"stem":195},"\u002Fshockwave-curriculum\u002Flessons\u002Fch13-common-gotchas\u002F13-common-gotchas","Common Gotchas","shockwave-curriculum\u002Flessons\u002Fch13-common-gotchas\u002F13-common-gotchas",{"path":197,"title":198,"stem":199},"\u002Fshockwave-curriculum\u002Flessons\u002Fch14-why-design-patterns\u002F14-why-design-patterns","Why Design Patterns?","shockwave-curriculum\u002Flessons\u002Fch14-why-design-patterns\u002F14-why-design-patterns",{"path":201,"title":202,"stem":203},"\u002Fshockwave-curriculum\u002Flessons\u002Fch15-advanced-collections\u002F15-advanced-collections","Advanced Collections (Set\u002FQueue\u002FMap)","shockwave-curriculum\u002Flessons\u002Fch15-advanced-collections\u002F15-advanced-collections",{"path":205,"title":206,"stem":207},"\u002Fshockwave-curriculum\u002Flessons\u002Fch16-writing-your-own-generics\u002F16-writing-your-own-generics","Writing Your Own Generics","shockwave-curriculum\u002Flessons\u002Fch16-writing-your-own-generics\u002F16-writing-your-own-generics",{"path":209,"title":210,"stem":211},"\u002Fshockwave-curriculum\u002Flessons\u002Fch17-inheritance-and-abstractions\u002F1-inheritance-superclass-subclass","Inheritance, Superclass, Subclass","shockwave-curriculum\u002Flessons\u002Fch17-inheritance-and-abstractions\u002F17.1-inheritance-superclass-subclass",{"path":213,"title":214,"stem":215},"\u002Fshockwave-curriculum\u002Flessons\u002Fch17-inheritance-and-abstractions\u002F2-inheritance-and-constructors","Inheritance and Constructors","shockwave-curriculum\u002Flessons\u002Fch17-inheritance-and-abstractions\u002F17.2-inheritance-and-constructors",{"path":217,"title":218,"stem":219},"\u002Fshockwave-curriculum\u002Flessons\u002Fch17-inheritance-and-abstractions\u002F3-inheritance-hierarchies","Inheritance Hierarchies","shockwave-curriculum\u002Flessons\u002Fch17-inheritance-and-abstractions\u002F17.3-inheritance-hierarchies",{"path":221,"title":222,"stem":223},"\u002Fshockwave-curriculum\u002Flessons\u002Fch17-inheritance-and-abstractions\u002F4-object-superclass","Object Superclass","shockwave-curriculum\u002Flessons\u002Fch17-inheritance-and-abstractions\u002F17.4-object-superclass",{"path":225,"title":226,"stem":227},"\u002Fshockwave-curriculum\u002Flessons\u002Fch17-inheritance-and-abstractions\u002F5-abstract-classes-and-methods","Abstract Classes and Methods","shockwave-curriculum\u002Flessons\u002Fch17-inheritance-and-abstractions\u002F17.5-abstract-classes-and-methods",{"path":229,"title":230,"stem":231},"\u002Fshockwave-curriculum\u002Flessons\u002Fch18-polymorphism-many-forms\u002F1-overriding-methods","Overriding Methods","shockwave-curriculum\u002Flessons\u002Fch18-polymorphism-many-forms\u002F18.1-overriding-methods",{"path":233,"title":234,"stem":235},"\u002Fshockwave-curriculum\u002Flessons\u002Fch18-polymorphism-many-forms\u002F2-super-keyword","super Keyword","shockwave-curriculum\u002Flessons\u002Fch18-polymorphism-many-forms\u002F18.2-super-keyword",{"path":237,"title":238,"stem":239},"\u002Fshockwave-curriculum\u002Flessons\u002Fch18-polymorphism-many-forms\u002F3-polymorphism","Polymorphism","shockwave-curriculum\u002Flessons\u002Fch18-polymorphism-many-forms\u002F18.3-polymorphism",{"path":241,"title":242,"stem":243},"\u002Fshockwave-curriculum\u002Flessons\u002Fch19-interfaces-as-contracts\u002F19-interfaces-as-contracts","Interfaces as Contracts","shockwave-curriculum\u002Flessons\u002Fch19-interfaces-as-contracts\u002F19-interfaces-as-contracts",{"path":245,"title":246,"stem":247},"\u002Fshockwave-curriculum\u002Flessons\u002Fch19-interfaces-as-contracts\u002F1-lambdas-and-method-references","Lambdas & Method References","shockwave-curriculum\u002Flessons\u002Fch19-interfaces-as-contracts\u002F19.1-lambdas-and-method-references",{"path":249,"title":250,"stem":251},"\u002Fshockwave-curriculum\u002Flessons\u002Fch20-the-io-layer-pattern\u002F20-the-io-layer-pattern","The IO-Layer Pattern","shockwave-curriculum\u002Flessons\u002Fch20-the-io-layer-pattern\u002F20-the-io-layer-pattern",{"path":253,"title":254,"stem":255},"\u002Fshockwave-curriculum\u002Flessons\u002Fch21-static-factories\u002F21-static-factories","Static Factories","shockwave-curriculum\u002Flessons\u002Fch21-static-factories\u002F21-static-factories",{"path":257,"title":258,"stem":259},"\u002Fshockwave-curriculum\u002Flessons\u002Fch22-the-builder-pattern\u002F22-the-builder-pattern","The Builder Pattern","shockwave-curriculum\u002Flessons\u002Fch22-the-builder-pattern\u002F22-the-builder-pattern",{"path":261,"title":262,"stem":263},"\u002Fshockwave-curriculum\u002Flessons\u002Fch23-encapsulation-and-final\u002F1-scope-and-access","Access, final, and Immutability","shockwave-curriculum\u002Flessons\u002Fch23-encapsulation-and-final\u002F23.1-scope-and-access",{"path":265,"title":266,"stem":267},"\u002Fshockwave-curriculum\u002Flessons\u002Fch24-optional-avoiding-null-pointer-exceptions\u002F24-optional-avoiding-null-pointer-exceptions","Optional: Avoiding Null Pointer Exceptions","shockwave-curriculum\u002Flessons\u002Fch24-optional-avoiding-null-pointer-exceptions\u002F24-optional-avoiding-null-pointer-exceptions",{"path":269,"title":270,"stem":271},"\u002Fshockwave-curriculum\u002Flessons\u002Fch25-command-based-programming\u002F1-what-is-command-based-programming","What Is Command-Based Programming?","shockwave-curriculum\u002Flessons\u002Fch25-command-based-programming\u002F25.1-what-is-command-based-programming",{"path":273,"title":274,"stem":275},"\u002Fshockwave-curriculum\u002Flessons\u002Fch25-command-based-programming\u002F2-commands-and-command-compositions","Commands & Command Compositions","shockwave-curriculum\u002Flessons\u002Fch25-command-based-programming\u002F25.2-commands-and-command-compositions",{"path":277,"title":278,"stem":279},"\u002Fshockwave-curriculum\u002Flessons\u002Fch25-command-based-programming\u002F3-the-command-scheduler","The Command Scheduler","shockwave-curriculum\u002Flessons\u002Fch25-command-based-programming\u002F25.3-the-command-scheduler",{"path":281,"title":282,"stem":283},"\u002Fshockwave-curriculum\u002Flessons\u002Fch25-command-based-programming\u002F4-state-machines-logic","State Machines: Logic","shockwave-curriculum\u002Flessons\u002Fch25-command-based-programming\u002F25.4-state-machines-logic",{"path":285,"title":286,"stem":287},"\u002Fshockwave-curriculum\u002Flessons\u002Fch25-command-based-programming\u002F5-managing-transitions","Managing Transitions","shockwave-curriculum\u002Flessons\u002Fch25-command-based-programming\u002F25.5-managing-transitions",{"path":289,"title":290,"stem":291},"\u002Fshockwave-curriculum\u002Flessons\u002Fch25-command-based-programming\u002F6-binding-commands-to-triggers","Binding Commands to Triggers","shockwave-curriculum\u002Flessons\u002Fch25-command-based-programming\u002F25.6-binding-commands-to-triggers",{"path":293,"title":294,"stem":295},"\u002Fshockwave-curriculum\u002Flessons\u002Fch25-command-based-programming\u002F7-structuring-a-command-based-robot-project","Structuring a Command-Based Robot Project","shockwave-curriculum\u002Flessons\u002Fch25-command-based-programming\u002F25.7-structuring-a-command-based-robot-project",{"path":297,"title":298,"stem":299},"\u002Fshockwave-curriculum\u002Flessons\u002Fch26-architecture-takeaways\u002F26-architecture-takeaways","Architecture Takeaways","shockwave-curriculum\u002Flessons\u002Fch26-architecture-takeaways\u002F26-architecture-takeaways",{"path":301,"title":302,"stem":303},"\u002Fshockwave-curriculum\u002Flessons\u002Fch27-program-design-and-abstraction\u002F1-abstraction-and-program-design","Abstraction and Program Design","shockwave-curriculum\u002Flessons\u002Fch27-program-design-and-abstraction\u002F27.1-abstraction-and-program-design",{"path":305,"title":306,"stem":307},"\u002Fshockwave-curriculum\u002Flessons\u002Fch27-program-design-and-abstraction\u002F2-impact-of-program-design","Impact of Program Design","shockwave-curriculum\u002Flessons\u002Fch27-program-design-and-abstraction\u002F27.2-impact-of-program-design",{"path":309,"title":310,"stem":311},"\u002Fshockwave-curriculum\u002Flessons\u002Fch28-algorithms-searching-sorting-recursion\u002F1-searching-algorithms","Searching Algorithms","shockwave-curriculum\u002Flessons\u002Fch28-algorithms-searching-sorting-recursion\u002F28.1-searching-algorithms",{"path":313,"title":314,"stem":315},"\u002Fshockwave-curriculum\u002Flessons\u002Fch28-algorithms-searching-sorting-recursion\u002F2-sorting-algorithms","Sorting Algorithms","shockwave-curriculum\u002Flessons\u002Fch28-algorithms-searching-sorting-recursion\u002F28.2-sorting-algorithms",{"path":317,"title":318,"stem":319},"\u002Fshockwave-curriculum\u002Flessons\u002Fch28-algorithms-searching-sorting-recursion\u002F3-recursion","Recursion","shockwave-curriculum\u002Flessons\u002Fch28-algorithms-searching-sorting-recursion\u002F28.3-recursion",{"path":321,"title":322,"stem":323},"\u002Fshockwave-curriculum\u002Flessons\u002Fch28-algorithms-searching-sorting-recursion\u002F4-recursive-searching-and-sorting","Recursive Searching and Sorting","shockwave-curriculum\u002Flessons\u002Fch28-algorithms-searching-sorting-recursion\u002F28.4-recursive-searching-and-sorting",{"path":325,"title":326,"stem":327},"\u002Fshockwave-curriculum\u002Flessons\u002Fch29-git-and-github-basics\u002F1-coming-soon","Git & GitHub Basics — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch29-git-and-github-basics\u002F29.1-coming-soon",{"path":329,"title":330,"stem":331},"\u002Fshockwave-curriculum\u002Flessons\u002Fch30-git-history-and-merging\u002F1-coming-soon","Git — History & Merging — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch30-git-history-and-merging\u002F30.1-coming-soon",{"path":333,"title":334,"stem":335},"\u002Fshockwave-curriculum\u002Flessons\u002Fch31-dev-environment-and-tooling\u002F1-coming-soon","Dev Environment & Tooling — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch31-dev-environment-and-tooling\u002F31.1-coming-soon",{"path":337,"title":338,"stem":339},"\u002Fshockwave-curriculum\u002Flessons\u002Fch32-unit-testing\u002F1-coming-soon","Unit Testing — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch32-unit-testing\u002F32.1-coming-soon",{"path":341,"title":342,"stem":343},"\u002Fshockwave-curriculum\u002Flessons\u002Fch33-advantagekit-autologging\u002F1-coming-soon","AdvantageKit — AutoLogging — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch33-advantagekit-autologging\u002F33.1-coming-soon",{"path":345,"title":346,"stem":347},"\u002Fshockwave-curriculum\u002Flessons\u002Fch34-log-replay\u002F1-coming-soon","Log Replay — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch34-log-replay\u002F34.1-coming-soon",{"path":349,"title":350,"stem":351},"\u002Fshockwave-curriculum\u002Flessons\u002Fch35-advantagescope-i-visualization\u002F1-coming-soon","AdvantageScope I: Visualization — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch35-advantagescope-i-visualization\u002F35.1-coming-soon",{"path":353,"title":354,"stem":355},"\u002Fshockwave-curriculum\u002Flessons\u002Fch36-advantagescope-ii-custom-3d-assets\u002F1-coming-soon","AdvantageScope II: Custom 3D Assets — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch36-advantagescope-ii-custom-3d-assets\u002F36.1-coming-soon",{"path":357,"title":358,"stem":359},"\u002Fshockwave-curriculum\u002Flessons\u002Fch37-autonomous-i\u002F1-coming-soon","Autonomous I — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch37-autonomous-i\u002F37.1-coming-soon",{"path":361,"title":362,"stem":363},"\u002Fshockwave-curriculum\u002Flessons\u002Fch38-autonomous-ii-pathplanner-and-trajectories\u002F1-coming-soon","Autonomous II: PathPlanner & Trajectories — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch38-autonomous-ii-pathplanner-and-trajectories\u002F38.1-coming-soon",{"path":365,"title":366,"stem":367},"\u002Fshockwave-curriculum\u002Flessons\u002Fch39-control-fundamentals\u002F1-coming-soon","Control Fundamentals — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch39-control-fundamentals\u002F39.1-coming-soon",{"path":369,"title":370,"stem":371},"\u002Fshockwave-curriculum\u002Flessons\u002Fch40-motion-profiles\u002F1-coming-soon","Motion Profiles — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch40-motion-profiles\u002F40.1-coming-soon",{"path":373,"title":374,"stem":375},"\u002Fshockwave-curriculum\u002Flessons\u002Fch41-hardware-fundamentals\u002F1-coming-soon","Hardware Fundamentals — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch41-hardware-fundamentals\u002F41.1-coming-soon",{"path":377,"title":378,"stem":379},"\u002Fshockwave-curriculum\u002Flessons\u002Fch42-photonvision\u002F1-coming-soon","PhotonVision — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch42-photonvision\u002F42.1-coming-soon",{"path":381,"title":382,"stem":383},"\u002Fshockwave-curriculum\u002Flessons\u002Fch43-apriltags-and-pose\u002F1-coming-soon","AprilTags & Pose — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch43-apriltags-and-pose\u002F43.1-coming-soon",{"path":385,"title":386,"stem":387},"\u002Fshockwave-curriculum\u002Flessons\u002Fch44-subsystems-i\u002F1-coming-soon","Subsystems I — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch44-subsystems-i\u002F44.1-coming-soon",{"path":389,"title":390,"stem":391},"\u002Fshockwave-curriculum\u002Flessons\u002Fch45-subsystems-ii-advanced\u002F1-coming-soon","Subsystems II — Advanced — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch45-subsystems-ii-advanced\u002F45.1-coming-soon",{"path":393,"title":394,"stem":395},"\u002Fshockwave-curriculum\u002Flessons\u002Fch46-team-utilities-i\u002F1-coming-soon","Team Utilities I — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch46-team-utilities-i\u002F46.1-coming-soon",{"path":397,"title":398,"stem":399},"\u002Fshockwave-curriculum\u002Flessons\u002Fch47-field-constants\u002F1-coming-soon","Field Constants — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch47-field-constants\u002F47.1-coming-soon",{"path":401,"title":402,"stem":403},"\u002Fshockwave-curriculum\u002Flessons\u002Fch48-troubleshooting-i-runtime-debug\u002F1-coming-soon","Troubleshooting I — Runtime Debug — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch48-troubleshooting-i-runtime-debug\u002F48.1-coming-soon",{"path":405,"title":406,"stem":407},"\u002Fshockwave-curriculum\u002Flessons\u002Fch49-troubleshooting-ii-can-and-sim\u002F1-coming-soon","Troubleshooting II: CAN & Sim — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch49-troubleshooting-ii-can-and-sim\u002F49.1-coming-soon",{"path":409,"title":410,"stem":411},"\u002Fshockwave-curriculum\u002Flessons\u002Fch50-vendor-libraries-talonfx\u002F1-coming-soon","Vendor Libraries: TalonFX — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch50-vendor-libraries-talonfx\u002F50.1-coming-soon",{"path":413,"title":414,"stem":415},"\u002Fshockwave-curriculum\u002Flessons\u002Fch51-robot-alerts\u002F1-coming-soon","Robot Alerts — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch51-robot-alerts\u002F51.1-coming-soon",{"path":417,"title":418,"stem":419},"\u002Fshockwave-curriculum\u002Flessons\u002Fch52-wpilib-commands\u002F1-coming-soon","WPILib Commands — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch52-wpilib-commands\u002F52.1-coming-soon",{"path":421,"title":422,"stem":423},"\u002Fshockwave-curriculum\u002Flessons\u002Fch53-wpilib-geometry\u002F1-coming-soon","WPILib Geometry — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch53-wpilib-geometry\u002F53.1-coming-soon",{"path":425,"title":426,"stem":427},"\u002Fshockwave-curriculum\u002Flessons\u002Fch54-networktables\u002F1-coming-soon","NetworkTables — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch54-networktables\u002F54.1-coming-soon",{"path":429,"title":430,"stem":431},"\u002Fshockwave-curriculum\u002Flessons\u002Fch55-command-scheduler\u002F1-coming-soon","Command Scheduler — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch55-command-scheduler\u002F55.1-coming-soon",{"path":433,"title":434,"stem":435},"\u002Fshockwave-curriculum\u002Flessons\u002Fch56-wpilib-timers\u002F1-coming-soon","WPILib Timers — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch56-wpilib-timers\u002F56.1-coming-soon",{"path":437,"title":438,"stem":439},"\u002Fshockwave-curriculum\u002Flessons\u002Fch57-wpilib-triggers\u002F1-coming-soon","WPILib Triggers — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch57-wpilib-triggers\u002F57.1-coming-soon",{"path":441,"title":442,"stem":443},"\u002Fshockwave-curriculum\u002Flessons\u002Fch58-vendor-units-and-conversions\u002F1-coming-soon","Vendor Units & Conversions — Coming Soon","shockwave-curriculum\u002Flessons\u002Fch58-vendor-units-and-conversions\u002F58.1-coming-soon",[445,449,453,457,461,465,469,473,477,481,485,489,493,497,501,505,509,513,517,521,525,529,533,537,541,545,549,553,557,561,565,569,573,577,581,585,589,593,597,601,605,609,613,617,621,625,629,633,637,641,645,649,653,657,661,665,669,673,677,681,685,689,693,697,701,705,709,713,717,721,725,729,733,737,741,745,749],{"path":446,"title":447,"stem":448},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch01-why-java-for-frc\u002F2-intro-to-algorithms-programming-and-compilers","Intro to Algorithms, Programming and Compilers — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch01-why-java-for-frc\u002F1.2-intro-to-algorithms-programming-and-compilers",{"path":450,"title":451,"stem":452},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch02-variables-and-types\u002F1-variables-and-data-types","Variables & Data Types — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch02-variables-and-types\u002F2.1-variables-and-data-types",{"path":454,"title":455,"stem":456},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch02-variables-and-types\u002F2-expressions-and-output","Expressions & Output — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch02-variables-and-types\u002F2.2-expressions-and-output",{"path":458,"title":459,"stem":460},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch02-variables-and-types\u002F3-assignment-and-input","Assignment & Input — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch02-variables-and-types\u002F2.3-assignment-and-input",{"path":462,"title":463,"stem":464},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch02-variables-and-types\u002F4-casting-and-ranges-of-values","Casting & Ranges of Values — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch02-variables-and-types\u002F2.4-casting-and-ranges-of-values",{"path":466,"title":467,"stem":468},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch02-variables-and-types\u002F5-compound-assignment-operators","Compound Assignment Operators — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch02-variables-and-types\u002F2.5-compound-assignment-operators",{"path":470,"title":471,"stem":472},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch03-apis-libraries-and-documentation\u002F1-apis-and-libraries","APIs and Libraries — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch03-apis-libraries-and-documentation\u002F3.1-apis-and-libraries",{"path":474,"title":475,"stem":476},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch03-apis-libraries-and-documentation\u002F2-documentation-with-comments-and-preconditions","Documentation with Comments and Preconditions — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch03-apis-libraries-and-documentation\u002F3.2-documentation-with-comments-and-preconditions",{"path":478,"title":479,"stem":480},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch03-apis-libraries-and-documentation\u002F3-packages-and-imports","Packages & Imports — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch03-apis-libraries-and-documentation\u002F3.3-packages-and-imports",{"path":482,"title":483,"stem":484},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch04-using-objects-and-calling-methods\u002F1-methods-signatures-and-parameters","Methods, Signatures & Parameters — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch04-using-objects-and-calling-methods\u002F4.1-methods-signatures-and-parameters",{"path":486,"title":487,"stem":488},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch04-using-objects-and-calling-methods\u002F2-calling-class-methods","Calling Class Methods — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch04-using-objects-and-calling-methods\u002F4.2-calling-class-methods",{"path":490,"title":491,"stem":492},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch04-using-objects-and-calling-methods\u002F3-using-the-math-class","Using the Math Class — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch04-using-objects-and-calling-methods\u002F4.3-using-the-math-class",{"path":494,"title":495,"stem":496},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch04-using-objects-and-calling-methods\u002F4-objects-instances-of-classes","Objects — Instances of Classes — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch04-using-objects-and-calling-methods\u002F4.4-objects-instances-of-classes",{"path":498,"title":499,"stem":500},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch04-using-objects-and-calling-methods\u002F5-creating-and-initializing-objects-constructors","Creating & Initializing Objects: Constructors — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch04-using-objects-and-calling-methods\u002F4.5-creating-and-initializing-objects-constructors",{"path":502,"title":503,"stem":504},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch04-using-objects-and-calling-methods\u002F6-calling-instance-methods","Calling Instance Methods — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch04-using-objects-and-calling-methods\u002F4.6-calling-instance-methods",{"path":506,"title":507,"stem":508},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F1-5.2-if-statements-and-for-loops","if Statements & For Loops — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F5.1-5.2-if-statements-and-for-loops",{"path":510,"title":511,"stem":512},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F10-nested-iteration","Nested Iteration — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F5.10-nested-iteration",{"path":514,"title":515,"stem":516},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F11-informal-runtime-analysis-of-loops","Informal Runtime Analysis of Loops — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F5.11-informal-runtime-analysis-of-loops",{"path":518,"title":519,"stem":520},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F12-switch-statements-and-expressions","switch Statements and Expressions — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F5.12-switch-statements-and-expressions",{"path":522,"title":523,"stem":524},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F3-algorithms-with-selection-and-repetition","Algorithms with Selection and Repetition — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F5.3-algorithms-with-selection-and-repetition",{"path":526,"title":527,"stem":528},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F4-boolean-expressions","Boolean Expressions — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F5.4-boolean-expressions",{"path":530,"title":531,"stem":532},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F5-nested-if-statements","Nested if Statements — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F5.5-nested-if-statements",{"path":534,"title":535,"stem":536},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F6-compound-boolean-expressions","Compound Boolean Expressions — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F5.6-compound-boolean-expressions",{"path":538,"title":539,"stem":540},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F7-comparing-boolean-expressions-de-morgans-laws","Comparing Boolean Expressions (De Morgan's Laws) — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F5.7-comparing-boolean-expressions-de-morgans-laws",{"path":542,"title":543,"stem":544},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F8-while-loops","While Loops — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F5.8-while-loops",{"path":546,"title":547,"stem":548},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F9-implementing-selection-and-iteration-algorithms","Implementing Selection and Iteration Algorithms — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch05-control-structures\u002F5.9-implementing-selection-and-iteration-algorithms",{"path":550,"title":551,"stem":552},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch06-strings\u002F1-strings","Strings — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch06-strings\u002F6.1-strings",{"path":554,"title":555,"stem":556},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch06-strings\u002F2-string-algorithms","String Algorithms — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch06-strings\u002F6.2-string-algorithms",{"path":558,"title":559,"stem":560},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch07-the-class-blueprint\u002F1-anatomy-of-a-java-class","Anatomy of a Java Class — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch07-the-class-blueprint\u002F7.1-anatomy-of-a-java-class",{"path":562,"title":563,"stem":564},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch07-the-class-blueprint\u002F2-methods-how-to-write-them","Methods: How to Write Them — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch07-the-class-blueprint\u002F7.2-methods-how-to-write-them",{"path":566,"title":567,"stem":568},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch07-the-class-blueprint\u002F3-methods-passing-and-returning-references-of-an-object","Methods: Passing & Returning References of an Object — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch07-the-class-blueprint\u002F7.3-methods-passing-and-returning-references-of-an-object",{"path":570,"title":571,"stem":572},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch07-the-class-blueprint\u002F4-class-static-variables-and-methods","Class (static) Variables & Methods — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch07-the-class-blueprint\u002F7.4-class-static-variables-and-methods",{"path":574,"title":575,"stem":576},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch08-constructors-and-this\u002F1-8.2-constructors-and-this","Constructors & \"this\" — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch08-constructors-and-this\u002F8.1-8.2-constructors-and-this",{"path":578,"title":579,"stem":580},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F1-array-creation-and-access","Array Creation and Access — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F9.1-array-creation-and-access",{"path":582,"title":583,"stem":584},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F2-arraylist-and-its-methods","ArrayList and its Methods — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F9.2-arraylist-and-its-methods",{"path":586,"title":587,"stem":588},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F3-optional-hashmap-dictionary-data-structure","HashMap (Dictionary) Data Structure — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F9.3-optional-hashmap-dictionary-data-structure",{"path":590,"title":591,"stem":592},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F4-array-traversals","Array Traversals — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F9.4-array-traversals",{"path":594,"title":595,"stem":596},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F5-implementing-array-algorithms","Implementing Array Algorithms — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F9.5-implementing-array-algorithms",{"path":598,"title":599,"stem":600},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F6-arraylist-traversals","ArrayList Traversals — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F9.6-arraylist-traversals",{"path":602,"title":603,"stem":604},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F7-implementing-arraylist-algorithms","Implementing ArrayList Algorithms — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F9.7-implementing-arraylist-algorithms",{"path":606,"title":607,"stem":608},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F8-using-text-files","Using Text Files — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch09-storing-data\u002F9.8-using-text-files",{"path":610,"title":611,"stem":612},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch10-2d-arrays\u002F1-2d-array-creation-and-access","2D Array Creation and Access — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch10-2d-arrays\u002F10.1-2d-array-creation-and-access",{"path":614,"title":615,"stem":616},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch10-2d-arrays\u002F2-2d-array-traversals-nested-loops","2D Array Traversals: Nested Loops — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch10-2d-arrays\u002F10.2-2d-array-traversals-nested-loops",{"path":618,"title":619,"stem":620},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch10-2d-arrays\u002F3-implementing-2d-array-algorithms","Implementing 2D Array Algorithms — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch10-2d-arrays\u002F10.3-implementing-2d-array-algorithms",{"path":622,"title":623,"stem":624},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch11-enums-named-choices\u002F11-enums-named-choices","Enums: Named Choices — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch11-enums-named-choices\u002F11-enums-named-choices",{"path":626,"title":627,"stem":628},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch12-exceptions-and-try-catch\u002F12-exceptions-and-try-catch","Exceptions & try\u002Fcatch — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch12-exceptions-and-try-catch\u002F12-exceptions-and-try-catch",{"path":630,"title":631,"stem":632},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch13-common-gotchas\u002F13-common-gotchas","Common Gotchas — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch13-common-gotchas\u002F13-common-gotchas",{"path":634,"title":635,"stem":636},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch15-advanced-collections\u002F15-advanced-collections","Advanced Collections (Set\u002FQueue\u002FMap) — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch15-advanced-collections\u002F15-advanced-collections",{"path":638,"title":639,"stem":640},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch16-writing-your-own-generics\u002F16-writing-your-own-generics","Writing Your Own Generics — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch16-writing-your-own-generics\u002F16-writing-your-own-generics",{"path":642,"title":643,"stem":644},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch17-inheritance-and-abstractions\u002F1-inheritance-superclass-subclass","Inheritance, Superclass, Subclass — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch17-inheritance-and-abstractions\u002F17.1-inheritance-superclass-subclass",{"path":646,"title":647,"stem":648},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch17-inheritance-and-abstractions\u002F2-inheritance-and-constructors","Inheritance and Constructors — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch17-inheritance-and-abstractions\u002F17.2-inheritance-and-constructors",{"path":650,"title":651,"stem":652},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch17-inheritance-and-abstractions\u002F3-inheritance-hierarchies","Inheritance Hierarchies — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch17-inheritance-and-abstractions\u002F17.3-inheritance-hierarchies",{"path":654,"title":655,"stem":656},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch17-inheritance-and-abstractions\u002F4-object-superclass","Object Superclass — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch17-inheritance-and-abstractions\u002F17.4-object-superclass",{"path":658,"title":659,"stem":660},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch17-inheritance-and-abstractions\u002F5-abstract-classes-and-methods","Abstract Classes and Methods — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch17-inheritance-and-abstractions\u002F17.5-abstract-classes-and-methods",{"path":662,"title":663,"stem":664},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch18-polymorphism-many-forms\u002F1-overriding-methods","Overriding Methods — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch18-polymorphism-many-forms\u002F18.1-overriding-methods",{"path":666,"title":667,"stem":668},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch18-polymorphism-many-forms\u002F2-super-keyword","super Keyword — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch18-polymorphism-many-forms\u002F18.2-super-keyword",{"path":670,"title":671,"stem":672},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch18-polymorphism-many-forms\u002F3-polymorphism","Polymorphism — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch18-polymorphism-many-forms\u002F18.3-polymorphism",{"path":674,"title":675,"stem":676},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch19-interfaces-as-contracts\u002F19-interfaces-as-contracts","Interfaces as Contracts — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch19-interfaces-as-contracts\u002F19-interfaces-as-contracts",{"path":678,"title":679,"stem":680},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch19-interfaces-as-contracts\u002F1-lambdas-and-method-references","Lambdas & Method References — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch19-interfaces-as-contracts\u002F19.1-lambdas-and-method-references",{"path":682,"title":683,"stem":684},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch20-the-io-layer-pattern\u002F20-the-io-layer-pattern","The IO-Layer Pattern — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch20-the-io-layer-pattern\u002F20-the-io-layer-pattern",{"path":686,"title":687,"stem":688},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch21-static-factories\u002F21-static-factories","Static Factories — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch21-static-factories\u002F21-static-factories",{"path":690,"title":691,"stem":692},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch22-the-builder-pattern\u002F22-the-builder-pattern","The Builder Pattern — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch22-the-builder-pattern\u002F22-the-builder-pattern",{"path":694,"title":695,"stem":696},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch23-encapsulation-and-final\u002F1-scope-and-access","Access, final, and Immutability — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch23-encapsulation-and-final\u002F23.1-scope-and-access",{"path":698,"title":699,"stem":700},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch24-optional-avoiding-null-pointer-exceptions\u002F24-optional-avoiding-null-pointer-exceptions","Optional: Avoiding Null Pointer Exceptions — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch24-optional-avoiding-null-pointer-exceptions\u002F24-optional-avoiding-null-pointer-exceptions",{"path":702,"title":703,"stem":704},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch25-command-based-programming\u002F1-what-is-command-based-programming","What Is Command-Based Programming? — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch25-command-based-programming\u002F25.1-what-is-command-based-programming",{"path":706,"title":707,"stem":708},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch25-command-based-programming\u002F2-commands-and-command-compositions","Commands & Command Compositions — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch25-command-based-programming\u002F25.2-commands-and-command-compositions",{"path":710,"title":711,"stem":712},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch25-command-based-programming\u002F3-the-command-scheduler","The Command Scheduler — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch25-command-based-programming\u002F25.3-the-command-scheduler",{"path":714,"title":715,"stem":716},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch25-command-based-programming\u002F4-state-machines-logic","State Machines: Logic — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch25-command-based-programming\u002F25.4-state-machines-logic",{"path":718,"title":719,"stem":720},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch25-command-based-programming\u002F5-managing-transitions","Managing Transitions — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch25-command-based-programming\u002F25.5-managing-transitions",{"path":722,"title":723,"stem":724},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch25-command-based-programming\u002F6-binding-commands-to-triggers","Binding Commands to Triggers — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch25-command-based-programming\u002F25.6-binding-commands-to-triggers",{"path":726,"title":727,"stem":728},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch25-command-based-programming\u002F7-structuring-a-command-based-robot-project","Structuring a Command-Based Robot Project — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch25-command-based-programming\u002F25.7-structuring-a-command-based-robot-project",{"path":730,"title":731,"stem":732},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch26-architecture-takeaways\u002F26-architecture-takeaways","Architecture Takeaways — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch26-architecture-takeaways\u002F26-architecture-takeaways",{"path":734,"title":735,"stem":736},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch27-program-design-and-abstraction\u002F1-abstraction-and-program-design","Abstraction and Program Design — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch27-program-design-and-abstraction\u002F27.1-abstraction-and-program-design",{"path":738,"title":739,"stem":740},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch28-algorithms-searching-sorting-recursion\u002F1-searching-algorithms","Searching Algorithms — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch28-algorithms-searching-sorting-recursion\u002F28.1-searching-algorithms",{"path":742,"title":743,"stem":744},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch28-algorithms-searching-sorting-recursion\u002F2-sorting-algorithms","Sorting Algorithms — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch28-algorithms-searching-sorting-recursion\u002F28.2-sorting-algorithms",{"path":746,"title":747,"stem":748},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch28-algorithms-searching-sorting-recursion\u002F3-recursion","Recursion — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch28-algorithms-searching-sorting-recursion\u002F28.3-recursion",{"path":750,"title":751,"stem":752},"\u002Fshockwave-curriculum\u002Fexamples\u002Fch28-algorithms-searching-sorting-recursion\u002F4-recursive-searching-and-sorting","Recursive Searching and Sorting — Worked Example","shockwave-curriculum\u002Fexamples\u002Fch28-algorithms-searching-sorting-recursion\u002F28.4-recursive-searching-and-sorting",[754,758,762,766,770,774,778,782,786,790,794,798,802,806,810,814,818,822,826,830,834,838,842,846,850,854,858,862,866,870,874,878,882,886,890,894,898,902,906,910,914,918,922,926,930,934,938,942,946,950,954,958,962,966,970,974,978,982,986,990,994,998,1002,1006,1010,1014,1018,1022,1026,1030,1034,1038,1042,1046,1050,1054,1058,1062,1066],{"path":755,"title":756,"stem":757},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch01-why-java-for-frc\u002F2-intro-to-algorithms-programming-and-compilers","Intro to Algorithms, Programming and Compilers — Exercises","shockwave-curriculum\u002Fexercises\u002Fch01-why-java-for-frc\u002F1.2-intro-to-algorithms-programming-and-compilers",{"path":759,"title":760,"stem":761},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch02-variables-and-types\u002F1-variables-and-data-types","Variables & Data Types — Exercises","shockwave-curriculum\u002Fexercises\u002Fch02-variables-and-types\u002F2.1-variables-and-data-types",{"path":763,"title":764,"stem":765},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch02-variables-and-types\u002F2-expressions-and-output","Expressions & Output — Exercises","shockwave-curriculum\u002Fexercises\u002Fch02-variables-and-types\u002F2.2-expressions-and-output",{"path":767,"title":768,"stem":769},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch02-variables-and-types\u002F3-assignment-and-input","Assignment & Input — Exercises","shockwave-curriculum\u002Fexercises\u002Fch02-variables-and-types\u002F2.3-assignment-and-input",{"path":771,"title":772,"stem":773},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch02-variables-and-types\u002F4-casting-and-ranges-of-values","Casting & Ranges of Values — Exercises","shockwave-curriculum\u002Fexercises\u002Fch02-variables-and-types\u002F2.4-casting-and-ranges-of-values",{"path":775,"title":776,"stem":777},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch02-variables-and-types\u002F5-compound-assignment-operators","Compound Assignment Operators — Exercises","shockwave-curriculum\u002Fexercises\u002Fch02-variables-and-types\u002F2.5-compound-assignment-operators",{"path":779,"title":780,"stem":781},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch03-apis-libraries-and-documentation\u002F1-apis-and-libraries","APIs and Libraries — Exercises","shockwave-curriculum\u002Fexercises\u002Fch03-apis-libraries-and-documentation\u002F3.1-apis-and-libraries",{"path":783,"title":784,"stem":785},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch03-apis-libraries-and-documentation\u002F2-documentation-with-comments-and-preconditions","Documentation with Comments and Preconditions — Exercises","shockwave-curriculum\u002Fexercises\u002Fch03-apis-libraries-and-documentation\u002F3.2-documentation-with-comments-and-preconditions",{"path":787,"title":788,"stem":789},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch03-apis-libraries-and-documentation\u002F3-packages-and-imports","Packages & Imports — Exercises","shockwave-curriculum\u002Fexercises\u002Fch03-apis-libraries-and-documentation\u002F3.3-packages-and-imports",{"path":791,"title":792,"stem":793},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch04-using-objects-and-calling-methods\u002F1-methods-signatures-and-parameters","Methods, Signatures & Parameters — Exercises","shockwave-curriculum\u002Fexercises\u002Fch04-using-objects-and-calling-methods\u002F4.1-methods-signatures-and-parameters",{"path":795,"title":796,"stem":797},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch04-using-objects-and-calling-methods\u002F2-calling-class-methods","Calling Class Methods — Exercises","shockwave-curriculum\u002Fexercises\u002Fch04-using-objects-and-calling-methods\u002F4.2-calling-class-methods",{"path":799,"title":800,"stem":801},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch04-using-objects-and-calling-methods\u002F3-using-the-math-class","Using the Math Class — Exercises","shockwave-curriculum\u002Fexercises\u002Fch04-using-objects-and-calling-methods\u002F4.3-using-the-math-class",{"path":803,"title":804,"stem":805},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch04-using-objects-and-calling-methods\u002F4-objects-instances-of-classes","Objects — Instances of Classes — Exercises","shockwave-curriculum\u002Fexercises\u002Fch04-using-objects-and-calling-methods\u002F4.4-objects-instances-of-classes",{"path":807,"title":808,"stem":809},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch04-using-objects-and-calling-methods\u002F5-creating-and-initializing-objects-constructors","Creating & Initializing Objects: Constructors — Exercises","shockwave-curriculum\u002Fexercises\u002Fch04-using-objects-and-calling-methods\u002F4.5-creating-and-initializing-objects-constructors",{"path":811,"title":812,"stem":813},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch04-using-objects-and-calling-methods\u002F6-calling-instance-methods","Calling Instance Methods — Exercises","shockwave-curriculum\u002Fexercises\u002Fch04-using-objects-and-calling-methods\u002F4.6-calling-instance-methods",{"path":815,"title":816,"stem":817},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F1-5.2-if-statements-and-for-loops","if Statements & For Loops — Exercises","shockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F5.1-5.2-if-statements-and-for-loops",{"path":819,"title":820,"stem":821},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F10-nested-iteration","Nested Iteration — Exercises","shockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F5.10-nested-iteration",{"path":823,"title":824,"stem":825},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F11-informal-runtime-analysis-of-loops","Informal Runtime Analysis of Loops — Exercises","shockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F5.11-informal-runtime-analysis-of-loops",{"path":827,"title":828,"stem":829},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F12-switch-statements-and-expressions","switch Statements and Expressions — Exercises","shockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F5.12-switch-statements-and-expressions",{"path":831,"title":832,"stem":833},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F3-algorithms-with-selection-and-repetition","Algorithms with Selection and Repetition — Exercises","shockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F5.3-algorithms-with-selection-and-repetition",{"path":835,"title":836,"stem":837},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F4-boolean-expressions","Boolean Expressions — Exercises","shockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F5.4-boolean-expressions",{"path":839,"title":840,"stem":841},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F5-nested-if-statements","Nested if Statements — Exercises","shockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F5.5-nested-if-statements",{"path":843,"title":844,"stem":845},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F6-compound-boolean-expressions","Compound Boolean Expressions — Exercises","shockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F5.6-compound-boolean-expressions",{"path":847,"title":848,"stem":849},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F7-comparing-boolean-expressions-de-morgans-laws","Comparing Boolean Expressions (De Morgan's Laws) — Exercises","shockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F5.7-comparing-boolean-expressions-de-morgans-laws",{"path":851,"title":852,"stem":853},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F8-while-loops","While Loops — Exercises","shockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F5.8-while-loops",{"path":855,"title":856,"stem":857},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F9-implementing-selection-and-iteration-algorithms","Implementing Selection and Iteration Algorithms — Exercises","shockwave-curriculum\u002Fexercises\u002Fch05-control-structures\u002F5.9-implementing-selection-and-iteration-algorithms",{"path":859,"title":860,"stem":861},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch06-strings\u002F1-strings","Strings — Exercises","shockwave-curriculum\u002Fexercises\u002Fch06-strings\u002F6.1-strings",{"path":863,"title":864,"stem":865},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch06-strings\u002F2-string-algorithms","String Algorithms — Exercises","shockwave-curriculum\u002Fexercises\u002Fch06-strings\u002F6.2-string-algorithms",{"path":867,"title":868,"stem":869},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch07-the-class-blueprint\u002F1-anatomy-of-a-java-class","Anatomy of a Java Class — Exercises","shockwave-curriculum\u002Fexercises\u002Fch07-the-class-blueprint\u002F7.1-anatomy-of-a-java-class",{"path":871,"title":872,"stem":873},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch07-the-class-blueprint\u002F2-methods-how-to-write-them","Methods: How to Write Them — Exercises","shockwave-curriculum\u002Fexercises\u002Fch07-the-class-blueprint\u002F7.2-methods-how-to-write-them",{"path":875,"title":876,"stem":877},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch07-the-class-blueprint\u002F3-methods-passing-and-returning-references-of-an-object","Methods: Passing & Returning References of an Object — Exercises","shockwave-curriculum\u002Fexercises\u002Fch07-the-class-blueprint\u002F7.3-methods-passing-and-returning-references-of-an-object",{"path":879,"title":880,"stem":881},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch07-the-class-blueprint\u002F4-class-static-variables-and-methods","Class (static) Variables & Methods — Exercises","shockwave-curriculum\u002Fexercises\u002Fch07-the-class-blueprint\u002F7.4-class-static-variables-and-methods",{"path":883,"title":884,"stem":885},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch08-constructors-and-this\u002F1-8.2-constructors-and-this","Constructors & \"this\" — Exercises","shockwave-curriculum\u002Fexercises\u002Fch08-constructors-and-this\u002F8.1-8.2-constructors-and-this",{"path":887,"title":888,"stem":889},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F1-array-creation-and-access","Array Creation and Access — Exercises","shockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F9.1-array-creation-and-access",{"path":891,"title":892,"stem":893},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F2-arraylist-and-its-methods","ArrayList and its Methods — Exercises","shockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F9.2-arraylist-and-its-methods",{"path":895,"title":896,"stem":897},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F3-optional-hashmap-dictionary-data-structure","HashMap (Dictionary) Data Structure — Exercises","shockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F9.3-optional-hashmap-dictionary-data-structure",{"path":899,"title":900,"stem":901},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F4-array-traversals","Array Traversals — Exercises","shockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F9.4-array-traversals",{"path":903,"title":904,"stem":905},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F5-implementing-array-algorithms","Implementing Array Algorithms — Exercises","shockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F9.5-implementing-array-algorithms",{"path":907,"title":908,"stem":909},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F6-arraylist-traversals","ArrayList Traversals — Exercises","shockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F9.6-arraylist-traversals",{"path":911,"title":912,"stem":913},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F7-implementing-arraylist-algorithms","Implementing ArrayList Algorithms — Exercises","shockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F9.7-implementing-arraylist-algorithms",{"path":915,"title":916,"stem":917},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F8-using-text-files","Using Text Files — Exercises","shockwave-curriculum\u002Fexercises\u002Fch09-storing-data\u002F9.8-using-text-files",{"path":919,"title":920,"stem":921},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch10-2d-arrays\u002F1-2d-array-creation-and-access","2D Array Creation and Access — Exercises","shockwave-curriculum\u002Fexercises\u002Fch10-2d-arrays\u002F10.1-2d-array-creation-and-access",{"path":923,"title":924,"stem":925},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch10-2d-arrays\u002F2-2d-array-traversals-nested-loops","2D Array Traversals: Nested Loops — Exercises","shockwave-curriculum\u002Fexercises\u002Fch10-2d-arrays\u002F10.2-2d-array-traversals-nested-loops",{"path":927,"title":928,"stem":929},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch10-2d-arrays\u002F3-implementing-2d-array-algorithms","Implementing 2D Array Algorithms — Exercises","shockwave-curriculum\u002Fexercises\u002Fch10-2d-arrays\u002F10.3-implementing-2d-array-algorithms",{"path":931,"title":932,"stem":933},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch11-enums-named-choices\u002F11-enums-named-choices","Enums: Named Choices — Exercises","shockwave-curriculum\u002Fexercises\u002Fch11-enums-named-choices\u002F11-enums-named-choices",{"path":935,"title":936,"stem":937},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch12-exceptions-and-try-catch\u002F12-exceptions-and-try-catch","Exceptions & try\u002Fcatch — Exercises","shockwave-curriculum\u002Fexercises\u002Fch12-exceptions-and-try-catch\u002F12-exceptions-and-try-catch",{"path":939,"title":940,"stem":941},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch13-common-gotchas\u002F13-common-gotchas","Common Gotchas — Exercises","shockwave-curriculum\u002Fexercises\u002Fch13-common-gotchas\u002F13-common-gotchas",{"path":943,"title":944,"stem":945},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch14-why-design-patterns\u002F14-why-design-patterns","Why Design Patterns? — Exercises","shockwave-curriculum\u002Fexercises\u002Fch14-why-design-patterns\u002F14-why-design-patterns",{"path":947,"title":948,"stem":949},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch15-advanced-collections\u002F15-advanced-collections","Advanced Collections (Set\u002FQueue\u002FMap) — Exercises","shockwave-curriculum\u002Fexercises\u002Fch15-advanced-collections\u002F15-advanced-collections",{"path":951,"title":952,"stem":953},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch16-writing-your-own-generics\u002F16-writing-your-own-generics","Writing Your Own Generics — Exercises","shockwave-curriculum\u002Fexercises\u002Fch16-writing-your-own-generics\u002F16-writing-your-own-generics",{"path":955,"title":956,"stem":957},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch17-inheritance-and-abstractions\u002F1-inheritance-superclass-subclass","Inheritance, Superclass, Subclass — Exercises","shockwave-curriculum\u002Fexercises\u002Fch17-inheritance-and-abstractions\u002F17.1-inheritance-superclass-subclass",{"path":959,"title":960,"stem":961},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch17-inheritance-and-abstractions\u002F2-inheritance-and-constructors","Inheritance and Constructors — Exercises","shockwave-curriculum\u002Fexercises\u002Fch17-inheritance-and-abstractions\u002F17.2-inheritance-and-constructors",{"path":963,"title":964,"stem":965},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch17-inheritance-and-abstractions\u002F3-inheritance-hierarchies","Inheritance Hierarchies — Exercises","shockwave-curriculum\u002Fexercises\u002Fch17-inheritance-and-abstractions\u002F17.3-inheritance-hierarchies",{"path":967,"title":968,"stem":969},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch17-inheritance-and-abstractions\u002F4-object-superclass","Object Superclass — Exercises","shockwave-curriculum\u002Fexercises\u002Fch17-inheritance-and-abstractions\u002F17.4-object-superclass",{"path":971,"title":972,"stem":973},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch17-inheritance-and-abstractions\u002F5-abstract-classes-and-methods","Abstract Classes and Methods — Exercises","shockwave-curriculum\u002Fexercises\u002Fch17-inheritance-and-abstractions\u002F17.5-abstract-classes-and-methods",{"path":975,"title":976,"stem":977},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch18-polymorphism-many-forms\u002F1-overriding-methods","Overriding Methods — Exercises","shockwave-curriculum\u002Fexercises\u002Fch18-polymorphism-many-forms\u002F18.1-overriding-methods",{"path":979,"title":980,"stem":981},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch18-polymorphism-many-forms\u002F2-super-keyword","super Keyword — Exercises","shockwave-curriculum\u002Fexercises\u002Fch18-polymorphism-many-forms\u002F18.2-super-keyword",{"path":983,"title":984,"stem":985},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch18-polymorphism-many-forms\u002F3-polymorphism","Polymorphism — Exercises","shockwave-curriculum\u002Fexercises\u002Fch18-polymorphism-many-forms\u002F18.3-polymorphism",{"path":987,"title":988,"stem":989},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch19-interfaces-as-contracts\u002F19-interfaces-as-contracts","Interfaces as Contracts — Exercises","shockwave-curriculum\u002Fexercises\u002Fch19-interfaces-as-contracts\u002F19-interfaces-as-contracts",{"path":991,"title":992,"stem":993},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch19-interfaces-as-contracts\u002F1-lambdas-and-method-references","Lambdas & Method References — Exercises","shockwave-curriculum\u002Fexercises\u002Fch19-interfaces-as-contracts\u002F19.1-lambdas-and-method-references",{"path":995,"title":996,"stem":997},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch20-the-io-layer-pattern\u002F20-the-io-layer-pattern","The IO-Layer Pattern — Exercises","shockwave-curriculum\u002Fexercises\u002Fch20-the-io-layer-pattern\u002F20-the-io-layer-pattern",{"path":999,"title":1000,"stem":1001},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch21-static-factories\u002F21-static-factories","Static Factories — Exercises","shockwave-curriculum\u002Fexercises\u002Fch21-static-factories\u002F21-static-factories",{"path":1003,"title":1004,"stem":1005},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch22-the-builder-pattern\u002F22-the-builder-pattern","The Builder Pattern — Exercises","shockwave-curriculum\u002Fexercises\u002Fch22-the-builder-pattern\u002F22-the-builder-pattern",{"path":1007,"title":1008,"stem":1009},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch23-encapsulation-and-final\u002F1-scope-and-access","Access, final, and Immutability — Exercises","shockwave-curriculum\u002Fexercises\u002Fch23-encapsulation-and-final\u002F23.1-scope-and-access",{"path":1011,"title":1012,"stem":1013},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch24-optional-avoiding-null-pointer-exceptions\u002F24-optional-avoiding-null-pointer-exceptions","Optional: Avoiding Null Pointer Exceptions — Exercises","shockwave-curriculum\u002Fexercises\u002Fch24-optional-avoiding-null-pointer-exceptions\u002F24-optional-avoiding-null-pointer-exceptions",{"path":1015,"title":1016,"stem":1017},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch25-command-based-programming\u002F1-what-is-command-based-programming","What Is Command-Based Programming? — Exercises","shockwave-curriculum\u002Fexercises\u002Fch25-command-based-programming\u002F25.1-what-is-command-based-programming",{"path":1019,"title":1020,"stem":1021},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch25-command-based-programming\u002F2-commands-and-command-compositions","Commands & Command Compositions — Exercises","shockwave-curriculum\u002Fexercises\u002Fch25-command-based-programming\u002F25.2-commands-and-command-compositions",{"path":1023,"title":1024,"stem":1025},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch25-command-based-programming\u002F3-the-command-scheduler","The Command Scheduler — Exercises","shockwave-curriculum\u002Fexercises\u002Fch25-command-based-programming\u002F25.3-the-command-scheduler",{"path":1027,"title":1028,"stem":1029},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch25-command-based-programming\u002F4-state-machines-logic","State Machines: Logic — Exercises","shockwave-curriculum\u002Fexercises\u002Fch25-command-based-programming\u002F25.4-state-machines-logic",{"path":1031,"title":1032,"stem":1033},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch25-command-based-programming\u002F5-managing-transitions","Managing Transitions — Exercises","shockwave-curriculum\u002Fexercises\u002Fch25-command-based-programming\u002F25.5-managing-transitions",{"path":1035,"title":1036,"stem":1037},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch25-command-based-programming\u002F6-binding-commands-to-triggers","Binding Commands to Triggers — Exercises","shockwave-curriculum\u002Fexercises\u002Fch25-command-based-programming\u002F25.6-binding-commands-to-triggers",{"path":1039,"title":1040,"stem":1041},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch25-command-based-programming\u002F7-structuring-a-command-based-robot-project","Structuring a Command-Based Robot Project — Exercises","shockwave-curriculum\u002Fexercises\u002Fch25-command-based-programming\u002F25.7-structuring-a-command-based-robot-project",{"path":1043,"title":1044,"stem":1045},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch26-architecture-takeaways\u002F26-architecture-takeaways","Architecture Takeaways — Exercises","shockwave-curriculum\u002Fexercises\u002Fch26-architecture-takeaways\u002F26-architecture-takeaways",{"path":1047,"title":1048,"stem":1049},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch27-program-design-and-abstraction\u002F1-abstraction-and-program-design","Abstraction and Program Design — Exercises","shockwave-curriculum\u002Fexercises\u002Fch27-program-design-and-abstraction\u002F27.1-abstraction-and-program-design",{"path":1051,"title":1052,"stem":1053},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch27-program-design-and-abstraction\u002F2-impact-of-program-design","Impact of Program Design — Exercises","shockwave-curriculum\u002Fexercises\u002Fch27-program-design-and-abstraction\u002F27.2-impact-of-program-design",{"path":1055,"title":1056,"stem":1057},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch28-algorithms-searching-sorting-recursion\u002F1-searching-algorithms","Searching Algorithms — Exercises","shockwave-curriculum\u002Fexercises\u002Fch28-algorithms-searching-sorting-recursion\u002F28.1-searching-algorithms",{"path":1059,"title":1060,"stem":1061},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch28-algorithms-searching-sorting-recursion\u002F2-sorting-algorithms","Sorting Algorithms — Exercises","shockwave-curriculum\u002Fexercises\u002Fch28-algorithms-searching-sorting-recursion\u002F28.2-sorting-algorithms",{"path":1063,"title":1064,"stem":1065},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch28-algorithms-searching-sorting-recursion\u002F3-recursion","Recursion — Exercises","shockwave-curriculum\u002Fexercises\u002Fch28-algorithms-searching-sorting-recursion\u002F28.3-recursion",{"path":1067,"title":1068,"stem":1069},"\u002Fshockwave-curriculum\u002Fexercises\u002Fch28-algorithms-searching-sorting-recursion\u002F4-recursive-searching-and-sorting","Recursive Searching and Sorting — Exercises","shockwave-curriculum\u002Fexercises\u002Fch28-algorithms-searching-sorting-recursion\u002F28.4-recursive-searching-and-sorting",{"id":1071,"title":230,"body":1072,"description":1131,"extension":1507,"meta":1508,"navigation":1159,"path":229,"seo":1511,"stem":231,"__hash__":1512},"lessons\u002Fshockwave-curriculum\u002Flessons\u002Fch18-polymorphism-many-forms\u002F18.1-overriding-methods.md",{"type":1073,"value":1074,"toc":1499},"minimark",[1075,1079,1084,1107,1125,1203,1219,1223,1245,1287,1302,1306,1317,1366,1370,1402,1406,1445,1449,1480,1495],[1076,1077,230],"h1",{"id":1078},"overriding-methods",[1080,1081,1083],"h2",{"id":1082},"what-overriding-is","What Overriding Is",[1085,1086,1087,1088,1092,1093,1097,1098,1101,1102,1106],"p",{},"A subclass inherits all its superclass's ",[1089,1090,1091],"code",{},"public"," methods unchanged — but it can also ",[1094,1095,1096],"strong",{},"override"," one, replacing the inherited version with its own. Overriding requires matching the superclass method's ",[1094,1099,1100],{},"signature"," — the same name and the same parameter list — with a return type that is the same as the superclass method's, or a subtype of it (called a ",[1103,1104,1105],"em",{},"covariant"," return type).",[1085,1108,1109,1112,1113,1116,1117,1120,1121,1124],{},[1089,1110,1111],{},"RobotPart"," (Lesson 17.1) has a general-purpose ",[1089,1114,1115],{},"stop()"," that only logs a message: ",[1089,1118,1119],{},"public void stop() { log(\"stopped\"); }",". ",[1089,1122,1123],{},"Intake"," overrides it with a version specific to its own rollers:",[1126,1127,1132],"pre",{"className":1128,"code":1129,"language":1130,"meta":1131,"style":1131},"language-java shiki shiki-themes github-light github-dark","public class Intake extends RobotPart\n{\n    public Intake(String name) { super(name); }\n\n    @Override\n    public void stop()\n    {\n        \u002F\u002F Intake's own, specific version replaces RobotPart's\n        log(\"rollers off, game piece held\");\n    }\n}\n","java","",[1089,1133,1134,1142,1148,1154,1161,1167,1173,1179,1185,1191,1197],{"__ignoreMap":1131},[1135,1136,1139],"span",{"class":1137,"line":1138},"line",1,[1135,1140,1141],{},"public class Intake extends RobotPart\n",[1135,1143,1145],{"class":1137,"line":1144},2,[1135,1146,1147],{},"{\n",[1135,1149,1151],{"class":1137,"line":1150},3,[1135,1152,1153],{},"    public Intake(String name) { super(name); }\n",[1135,1155,1157],{"class":1137,"line":1156},4,[1135,1158,1160],{"emptyLinePlaceholder":1159},true,"\n",[1135,1162,1164],{"class":1137,"line":1163},5,[1135,1165,1166],{},"    @Override\n",[1135,1168,1170],{"class":1137,"line":1169},6,[1135,1171,1172],{},"    public void stop()\n",[1135,1174,1176],{"class":1137,"line":1175},7,[1135,1177,1178],{},"    {\n",[1135,1180,1182],{"class":1137,"line":1181},8,[1135,1183,1184],{},"        \u002F\u002F Intake's own, specific version replaces RobotPart's\n",[1135,1186,1188],{"class":1137,"line":1187},9,[1135,1189,1190],{},"        log(\"rollers off, game piece held\");\n",[1135,1192,1194],{"class":1137,"line":1193},10,[1135,1195,1196],{},"    }\n",[1135,1198,1200],{"class":1137,"line":1199},11,[1135,1201,1202],{},"}\n",[1085,1204,1205,1208,1209,1212,1213,1215,1216,1218],{},[1089,1206,1207],{},"@Override"," is optional but always worth writing — it tells the compiler \"I intend to override an inherited method here,\" and the compiler then checks the signature truly matches. Without it, a typo in the method name (",[1089,1210,1211],{},"stopp()"," instead of ",[1089,1214,1115],{},") would silently create a brand-new, unrelated method instead of overriding anything — with ",[1089,1217,1207],{},", that same typo becomes a compile error instead of a bug that only shows up at runtime.",[1080,1220,1222],{"id":1221},"overriding-vs-overloading","Overriding vs. Overloading",[1085,1224,1225,1226,1229,1230,1233,1234,1237,1238,1240,1241,1244],{},"These sound similar but are entirely different things. ",[1094,1227,1228],{},"Overriding"," means the same signature, in a subclass, replacing the superclass's version. ",[1094,1231,1232],{},"Overloading"," means the same method ",[1103,1235,1236],{},"name"," with a different parameter list — either in the same class, or added by a subclass alongside the method it inherited. Here ",[1089,1239,1111],{}," overloads its own ",[1089,1242,1243],{},"log()",":",[1126,1246,1248],{"className":1128,"code":1247,"language":1130,"meta":1131,"style":1131},"public class RobotPart\n{\n    \u002F\u002F ...name field, constructor, getName(), and stop() as in Lesson 17.1\n    public void log(String msg) { System.out.println(\"[\" + name + \"] \" + msg); }\n\n    \u002F\u002F overload — same name, different parameters\n    public void log(String msg, int code) { log(msg + \" (code \" + code + \")\"); }\n}\n",[1089,1249,1250,1255,1259,1264,1269,1273,1278,1283],{"__ignoreMap":1131},[1135,1251,1252],{"class":1137,"line":1138},[1135,1253,1254],{},"public class RobotPart\n",[1135,1256,1257],{"class":1137,"line":1144},[1135,1258,1147],{},[1135,1260,1261],{"class":1137,"line":1150},[1135,1262,1263],{},"    \u002F\u002F ...name field, constructor, getName(), and stop() as in Lesson 17.1\n",[1135,1265,1266],{"class":1137,"line":1156},[1135,1267,1268],{},"    public void log(String msg) { System.out.println(\"[\" + name + \"] \" + msg); }\n",[1135,1270,1271],{"class":1137,"line":1163},[1135,1272,1160],{"emptyLinePlaceholder":1159},[1135,1274,1275],{"class":1137,"line":1169},[1135,1276,1277],{},"    \u002F\u002F overload — same name, different parameters\n",[1135,1279,1280],{"class":1137,"line":1175},[1135,1281,1282],{},"    public void log(String msg, int code) { log(msg + \" (code \" + code + \")\"); }\n",[1135,1284,1285],{"class":1137,"line":1181},[1135,1286,1202],{},[1085,1288,1289,1290,1293,1294,1297,1298,1301],{},"Two methods can never differ ",[1103,1291,1292],{},"only"," in return type — that alone doesn't count as a valid overload. And a subclass method with the same name and parameters as an inherited one, but an incompatible return type (for example ",[1089,1295,1296],{},"int"," where the superclass method returns ",[1089,1299,1300],{},"void","), isn't an override either: it's a compile error.",[1080,1303,1305],{"id":1304},"inherited-getters-and-setters-still-apply","Inherited Getters and Setters Still Apply",[1085,1307,1308,1309,1312,1313,1316],{},"A subclass gets its superclass's public getters and setters automatically, and — since the superclass's fields are ",[1089,1310,1311],{},"private"," — those accessor methods remain the only way to reach them, even from the subclass itself (unless the superclass marks a field ",[1089,1314,1315],{},"protected",", Lesson 17.2):",[1126,1318,1320],{"className":1128,"code":1319,"language":1130,"meta":1131,"style":1131},"public class Intake extends RobotPart\n{\n    \u002F\u002F ...constructor and stop() as above\n\n    public void announce()\n    {\n        \u002F\u002F must go through the inherited getter — direct access to name isn't legal here\n        System.out.println(\"Intake online: \" + getName());\n    }\n}\n",[1089,1321,1322,1326,1330,1335,1339,1344,1348,1353,1358,1362],{"__ignoreMap":1131},[1135,1323,1324],{"class":1137,"line":1138},[1135,1325,1141],{},[1135,1327,1328],{"class":1137,"line":1144},[1135,1329,1147],{},[1135,1331,1332],{"class":1137,"line":1150},[1135,1333,1334],{},"    \u002F\u002F ...constructor and stop() as above\n",[1135,1336,1337],{"class":1137,"line":1156},[1135,1338,1160],{"emptyLinePlaceholder":1159},[1135,1340,1341],{"class":1137,"line":1163},[1135,1342,1343],{},"    public void announce()\n",[1135,1345,1346],{"class":1137,"line":1169},[1135,1347,1178],{},[1135,1349,1350],{"class":1137,"line":1175},[1135,1351,1352],{},"        \u002F\u002F must go through the inherited getter — direct access to name isn't legal here\n",[1135,1354,1355],{"class":1137,"line":1181},[1135,1356,1357],{},"        System.out.println(\"Intake online: \" + getName());\n",[1135,1359,1360],{"class":1137,"line":1187},[1135,1361,1196],{},[1135,1363,1364],{"class":1137,"line":1193},[1135,1365,1202],{},[1080,1367,1369],{"id":1368},"preventing-an-override-final","Preventing an Override: final",[1085,1371,1372,1373,1376,1377,1379,1380,1383,1384,1387,1388,1390,1391,1394,1395,1398,1399,1401],{},"A method declared ",[1089,1374,1375],{},"final"," can't be overridden: if ",[1089,1378,1111],{}," declared ",[1089,1381,1382],{},"public final String getName()",", any subclass that tried to write its own ",[1089,1385,1386],{},"getName()"," would fail to compile. A whole class can be ",[1089,1389,1375],{}," too, which means it can't be extended at all — ",[1089,1392,1393],{},"String"," is one, so ",[1089,1396,1397],{},"class MyString extends String"," doesn't compile. Lesson 23.1 covers ",[1089,1400,1375],{}," in full.",[1080,1403,1405],{"id":1404},"common-pitfalls","Common Pitfalls",[1407,1408,1409,1416,1425],"ul",{},[1410,1411,1412,1415],"li",{},[1094,1413,1414],{},"Mismatching the signature and expecting an override anyway."," Changing the parameter list (even by adding one parameter) makes it an overload, not an override — the original method is still inherited unchanged, sitting alongside the new one.",[1410,1417,1418,1424],{},[1094,1419,1420,1421,1423],{},"Forgetting ",[1089,1422,1207],{},"."," Skipping it doesn't break anything when the signature is right, but it removes the compiler's safety net against typos — always include it when overriding.",[1410,1426,1427,1430,1431,1434,1435,1438,1439,1441,1442,1444],{},[1094,1428,1429],{},"Changing only the return type."," ",[1089,1432,1433],{},"public int stop()"," next to a superclass's ",[1089,1436,1437],{},"public void stop()"," doesn't compile — ",[1089,1440,1296],{}," isn't compatible with ",[1089,1443,1300],{},", so it's neither a valid override nor a valid overload.",[1080,1446,1448],{"id":1447},"key-takeaways","Key Takeaways",[1407,1450,1451,1454,1459,1462,1465,1468],{},[1410,1452,1453],{},"Overriding replaces an inherited method with a new version in the subclass: same name and parameter list, with a return type that's the same or a subtype (covariant).",[1410,1455,1456,1458],{},[1089,1457,1207],{}," isn't required, but should always be used — it turns a signature typo into a compile error instead of a silent, unrelated new method.",[1410,1460,1461],{},"Overloading is different: same name, different parameter list — in the same class, or added in a subclass — not to be confused with overriding.",[1410,1463,1464],{},"Two methods can never differ only in return type.",[1410,1466,1467],{},"Inherited getters\u002Fsetters remain the only way to reach a superclass's private fields, even from within the subclass.",[1410,1469,1470,1471,1473,1474,1476,1477,1479],{},"A ",[1089,1472,1375],{}," method can't be overridden, and a ",[1089,1475,1375],{}," class (like ",[1089,1478,1393],{},") can't be extended.",[1085,1481,1482,1483,1486,1487,1490,1491,1494],{},"Derived from ",[1089,1484,1485],{},"csawesome-2026",": ",[1089,1488,1489],{},"unit-5-inheritance-optional\u002F5.03-overriding-methods.md"," (CSA 5.3)\n",[1094,1492,1493],{},"Deck context:"," mechacoder-test\u002Fsrc\u002Flessons\u002Fjava-2.js, slide 5 (\"Polymorphism: Many Forms\")",[1496,1497,1498],"style",{},"html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}",{"title":1131,"searchDepth":1144,"depth":1144,"links":1500},[1501,1502,1503,1504,1505,1506],{"id":1082,"depth":1144,"text":1083},{"id":1221,"depth":1144,"text":1222},{"id":1304,"depth":1144,"text":1305},{"id":1368,"depth":1144,"text":1369},{"id":1404,"depth":1144,"text":1405},{"id":1447,"depth":1144,"text":1448},"md",{"outlineRef":1509,"status":1510},"18.1 — Overriding Methods (CSA 5.3)","new — authored lesson (fuller depth than the teaser slide)",{"title":230,"description":1131},"C1Dyfi3bqDyzh0_bC4MXoWI59oBrRmqr-8VA5MjPNRY",{"id":1514,"title":663,"body":1515,"description":1131,"extension":1507,"meta":2212,"navigation":1159,"path":662,"seo":2215,"stem":664,"__hash__":2216},"examples\u002Fshockwave-curriculum\u002Fexamples\u002Fch18-polymorphism-many-forms\u002F18.1-overriding-methods.md",{"type":1073,"value":1516,"toc":2199},[1517,1520,1524,1548,1552,1562,1659,1665,1688,1763,1780,1787,2019,2042,2046,2054,2075,2082,2092,2098,2115,2121,2127,2131,2173,2177,2197],[1076,1518,663],{"id":1519},"overriding-methods-worked-example",[1080,1521,1523],{"id":1522},"problem","Problem",[1085,1525,1526,1527,1530,1531,1534,1535,1537,1538,1541,1542,1544,1545,1547],{},"Every sensor on the robot has a name and a ",[1089,1528,1529],{},"report()"," method that prints its status. A plain ",[1089,1532,1533],{},"Sensor"," doesn't know how to read anything, so its ",[1089,1536,1529],{}," just says so. A ",[1089,1539,1540],{},"LimitSwitch"," is a kind of ",[1089,1543,1533],{}," that knows whether it's pressed — it should replace the generic ",[1089,1546,1529],{}," with its own version that prints the pressed state, while still labeling the line with the sensor's name.",[1080,1549,1551],{"id":1550},"step-1-write-the-superclass","Step 1: Write the Superclass",[1085,1553,1554,1556,1557,1559,1560,1244],{},[1089,1555,1533],{}," holds the name (as a ",[1089,1558,1311],{}," field), a getter for it, and the generic ",[1089,1561,1529],{},[1126,1563,1565],{"className":1128,"code":1564,"language":1130,"meta":1131,"style":1131},"class Sensor\n{\n    private String name;\n\n    public Sensor(String name)\n    {\n        this.name = name;\n    }\n\n    public String getName()\n    {\n        return name;\n    }\n\n    public void report()\n    {\n        System.out.println(name + \": no reading available\");\n    }\n}\n",[1089,1566,1567,1572,1576,1581,1585,1590,1594,1599,1603,1607,1612,1616,1622,1627,1632,1638,1643,1649,1654],{"__ignoreMap":1131},[1135,1568,1569],{"class":1137,"line":1138},[1135,1570,1571],{},"class Sensor\n",[1135,1573,1574],{"class":1137,"line":1144},[1135,1575,1147],{},[1135,1577,1578],{"class":1137,"line":1150},[1135,1579,1580],{},"    private String name;\n",[1135,1582,1583],{"class":1137,"line":1156},[1135,1584,1160],{"emptyLinePlaceholder":1159},[1135,1586,1587],{"class":1137,"line":1163},[1135,1588,1589],{},"    public Sensor(String name)\n",[1135,1591,1592],{"class":1137,"line":1169},[1135,1593,1178],{},[1135,1595,1596],{"class":1137,"line":1175},[1135,1597,1598],{},"        this.name = name;\n",[1135,1600,1601],{"class":1137,"line":1181},[1135,1602,1196],{},[1135,1604,1605],{"class":1137,"line":1187},[1135,1606,1160],{"emptyLinePlaceholder":1159},[1135,1608,1609],{"class":1137,"line":1193},[1135,1610,1611],{},"    public String getName()\n",[1135,1613,1614],{"class":1137,"line":1199},[1135,1615,1178],{},[1135,1617,1619],{"class":1137,"line":1618},12,[1135,1620,1621],{},"        return name;\n",[1135,1623,1625],{"class":1137,"line":1624},13,[1135,1626,1196],{},[1135,1628,1630],{"class":1137,"line":1629},14,[1135,1631,1160],{"emptyLinePlaceholder":1159},[1135,1633,1635],{"class":1137,"line":1634},15,[1135,1636,1637],{},"    public void report()\n",[1135,1639,1641],{"class":1137,"line":1640},16,[1135,1642,1178],{},[1135,1644,1646],{"class":1137,"line":1645},17,[1135,1647,1648],{},"        System.out.println(name + \": no reading available\");\n",[1135,1650,1652],{"class":1137,"line":1651},18,[1135,1653,1196],{},[1135,1655,1657],{"class":1137,"line":1656},19,[1135,1658,1202],{},[1080,1660,1662,1663],{"id":1661},"step-2-write-the-subclass-and-override-report","Step 2: Write the Subclass and Override ",[1089,1664,1529],{},[1085,1666,1667,1670,1671,1673,1674,1676,1677,1430,1680,1682,1683,1685,1686,1244],{},[1089,1668,1669],{},"LimitSwitch extends Sensor",", so it inherits ",[1089,1672,1386],{}," and ",[1089,1675,1529],{}," unchanged. To ",[1103,1678,1679],{},"replace",[1089,1681,1529],{},", it declares a method with the exact same signature — same name, same (empty) parameter list, same ",[1089,1684,1300],{}," return type — marked with ",[1089,1687,1207],{},[1126,1689,1691],{"className":1128,"code":1690,"language":1130,"meta":1131,"style":1131},"class LimitSwitch extends Sensor\n{\n    private boolean pressed;\n\n    public LimitSwitch(String name, boolean pressed)\n    {\n        super(name);\n        this.pressed = pressed;\n    }\n\n    @Override\n    public void report()\n    {\n        System.out.println(getName() + \": pressed = \" + pressed);\n    }\n}\n",[1089,1692,1693,1698,1702,1707,1711,1716,1720,1725,1730,1734,1738,1742,1746,1750,1755,1759],{"__ignoreMap":1131},[1135,1694,1695],{"class":1137,"line":1138},[1135,1696,1697],{},"class LimitSwitch extends Sensor\n",[1135,1699,1700],{"class":1137,"line":1144},[1135,1701,1147],{},[1135,1703,1704],{"class":1137,"line":1150},[1135,1705,1706],{},"    private boolean pressed;\n",[1135,1708,1709],{"class":1137,"line":1156},[1135,1710,1160],{"emptyLinePlaceholder":1159},[1135,1712,1713],{"class":1137,"line":1163},[1135,1714,1715],{},"    public LimitSwitch(String name, boolean pressed)\n",[1135,1717,1718],{"class":1137,"line":1169},[1135,1719,1178],{},[1135,1721,1722],{"class":1137,"line":1175},[1135,1723,1724],{},"        super(name);\n",[1135,1726,1727],{"class":1137,"line":1181},[1135,1728,1729],{},"        this.pressed = pressed;\n",[1135,1731,1732],{"class":1137,"line":1187},[1135,1733,1196],{},[1135,1735,1736],{"class":1137,"line":1193},[1135,1737,1160],{"emptyLinePlaceholder":1159},[1135,1739,1740],{"class":1137,"line":1199},[1135,1741,1166],{},[1135,1743,1744],{"class":1137,"line":1618},[1135,1745,1637],{},[1135,1747,1748],{"class":1137,"line":1624},[1135,1749,1178],{},[1135,1751,1752],{"class":1137,"line":1629},[1135,1753,1754],{},"        System.out.println(getName() + \": pressed = \" + pressed);\n",[1135,1756,1757],{"class":1137,"line":1634},[1135,1758,1196],{},[1135,1760,1761],{"class":1137,"line":1640},[1135,1762,1202],{},[1085,1764,1765,1766,1768,1769,1120,1771,1773,1774,1776,1777,1779],{},"Notice the override uses ",[1089,1767,1386],{},", not ",[1089,1770,1236],{},[1089,1772,1236],{}," is ",[1089,1775,1311],{}," in ",[1089,1778,1533],{},", so even a subclass can't touch it directly — the inherited public getter is the only way in.",[1080,1781,1783,1784],{"id":1782},"step-3-put-it-together-in-main","Step 3: Put It Together in ",[1089,1785,1786],{},"main",[1126,1788,1790],{"className":1128,"code":1789,"language":1130,"meta":1131,"style":1131},"public class SensorReport\n{\n    public static void main(String[] args)\n    {\n        Sensor sparePort = new Sensor(\"Spare port\");\n        LimitSwitch armStop = new LimitSwitch(\"Arm limit\", true);\n\n        sparePort.report();\n        armStop.report();\n    }\n}\n\nclass Sensor\n{\n    private String name;\n\n    public Sensor(String name)\n    {\n        this.name = name;\n    }\n\n    public String getName()\n    {\n        return name;\n    }\n\n    public void report()\n    {\n        System.out.println(name + \": no reading available\");\n    }\n}\n\nclass LimitSwitch extends Sensor\n{\n    private boolean pressed;\n\n    public LimitSwitch(String name, boolean pressed)\n    {\n        super(name);\n        this.pressed = pressed;\n    }\n\n    @Override\n    public void report()\n    {\n        System.out.println(getName() + \": pressed = \" + pressed);\n    }\n}\n",[1089,1791,1792,1797,1801,1806,1810,1815,1820,1824,1829,1834,1838,1842,1846,1850,1854,1858,1862,1866,1870,1874,1879,1884,1889,1894,1899,1904,1909,1914,1919,1924,1929,1934,1939,1944,1949,1954,1959,1964,1969,1974,1979,1984,1989,1994,1999,2004,2009,2014],{"__ignoreMap":1131},[1135,1793,1794],{"class":1137,"line":1138},[1135,1795,1796],{},"public class SensorReport\n",[1135,1798,1799],{"class":1137,"line":1144},[1135,1800,1147],{},[1135,1802,1803],{"class":1137,"line":1150},[1135,1804,1805],{},"    public static void main(String[] args)\n",[1135,1807,1808],{"class":1137,"line":1156},[1135,1809,1178],{},[1135,1811,1812],{"class":1137,"line":1163},[1135,1813,1814],{},"        Sensor sparePort = new Sensor(\"Spare port\");\n",[1135,1816,1817],{"class":1137,"line":1169},[1135,1818,1819],{},"        LimitSwitch armStop = new LimitSwitch(\"Arm limit\", true);\n",[1135,1821,1822],{"class":1137,"line":1175},[1135,1823,1160],{"emptyLinePlaceholder":1159},[1135,1825,1826],{"class":1137,"line":1181},[1135,1827,1828],{},"        sparePort.report();\n",[1135,1830,1831],{"class":1137,"line":1187},[1135,1832,1833],{},"        armStop.report();\n",[1135,1835,1836],{"class":1137,"line":1193},[1135,1837,1196],{},[1135,1839,1840],{"class":1137,"line":1199},[1135,1841,1202],{},[1135,1843,1844],{"class":1137,"line":1618},[1135,1845,1160],{"emptyLinePlaceholder":1159},[1135,1847,1848],{"class":1137,"line":1624},[1135,1849,1571],{},[1135,1851,1852],{"class":1137,"line":1629},[1135,1853,1147],{},[1135,1855,1856],{"class":1137,"line":1634},[1135,1857,1580],{},[1135,1859,1860],{"class":1137,"line":1640},[1135,1861,1160],{"emptyLinePlaceholder":1159},[1135,1863,1864],{"class":1137,"line":1645},[1135,1865,1589],{},[1135,1867,1868],{"class":1137,"line":1651},[1135,1869,1178],{},[1135,1871,1872],{"class":1137,"line":1656},[1135,1873,1598],{},[1135,1875,1877],{"class":1137,"line":1876},20,[1135,1878,1196],{},[1135,1880,1882],{"class":1137,"line":1881},21,[1135,1883,1160],{"emptyLinePlaceholder":1159},[1135,1885,1887],{"class":1137,"line":1886},22,[1135,1888,1611],{},[1135,1890,1892],{"class":1137,"line":1891},23,[1135,1893,1178],{},[1135,1895,1897],{"class":1137,"line":1896},24,[1135,1898,1621],{},[1135,1900,1902],{"class":1137,"line":1901},25,[1135,1903,1196],{},[1135,1905,1907],{"class":1137,"line":1906},26,[1135,1908,1160],{"emptyLinePlaceholder":1159},[1135,1910,1912],{"class":1137,"line":1911},27,[1135,1913,1637],{},[1135,1915,1917],{"class":1137,"line":1916},28,[1135,1918,1178],{},[1135,1920,1922],{"class":1137,"line":1921},29,[1135,1923,1648],{},[1135,1925,1927],{"class":1137,"line":1926},30,[1135,1928,1196],{},[1135,1930,1932],{"class":1137,"line":1931},31,[1135,1933,1202],{},[1135,1935,1937],{"class":1137,"line":1936},32,[1135,1938,1160],{"emptyLinePlaceholder":1159},[1135,1940,1942],{"class":1137,"line":1941},33,[1135,1943,1697],{},[1135,1945,1947],{"class":1137,"line":1946},34,[1135,1948,1147],{},[1135,1950,1952],{"class":1137,"line":1951},35,[1135,1953,1706],{},[1135,1955,1957],{"class":1137,"line":1956},36,[1135,1958,1160],{"emptyLinePlaceholder":1159},[1135,1960,1962],{"class":1137,"line":1961},37,[1135,1963,1715],{},[1135,1965,1967],{"class":1137,"line":1966},38,[1135,1968,1178],{},[1135,1970,1972],{"class":1137,"line":1971},39,[1135,1973,1724],{},[1135,1975,1977],{"class":1137,"line":1976},40,[1135,1978,1729],{},[1135,1980,1982],{"class":1137,"line":1981},41,[1135,1983,1196],{},[1135,1985,1987],{"class":1137,"line":1986},42,[1135,1988,1160],{"emptyLinePlaceholder":1159},[1135,1990,1992],{"class":1137,"line":1991},43,[1135,1993,1166],{},[1135,1995,1997],{"class":1137,"line":1996},44,[1135,1998,1637],{},[1135,2000,2002],{"class":1137,"line":2001},45,[1135,2003,1178],{},[1135,2005,2007],{"class":1137,"line":2006},46,[1135,2008,1754],{},[1135,2010,2012],{"class":1137,"line":2011},47,[1135,2013,1196],{},[1135,2015,2017],{"class":1137,"line":2016},48,[1135,2018,1202],{},[1085,2020,2021,2022,2025,2026,1773,2029,2031,2032,2034,2035,1673,2037,2039,2040,1423],{},"All three classes live in one file, ",[1089,2023,2024],{},"SensorReport.java",". Only ",[1089,2027,2028],{},"SensorReport",[1089,2030,1091],{}," (a file can have at most one ",[1089,2033,1091],{}," top-level class, and it must match the file name), and it comes first so the program runs on Java 17 as well as Java 25 (see worked example 17.1); ",[1089,2036,1533],{},[1089,2038,1540],{}," sit alongside it without ",[1089,2041,1091],{},[1080,2043,2045],{"id":2044},"what-it-prints","What It Prints",[1126,2047,2052],{"className":2048,"code":2050,"language":2051},[2049],"language-text","Spare port: no reading available\nArm limit: pressed = true\n","text",[1089,2053,2050],{"__ignoreMap":1131},[1085,2055,2056,2059,2060,2062,2063,2065,2066,1120,2068,2071,2072,2074],{},[1089,2057,2058],{},"sparePort"," is a plain ",[1089,2061,1533],{},", so it runs ",[1089,2064,1533],{},"'s ",[1089,2067,1529],{},[1089,2069,2070],{},"armStop"," is a ",[1089,2073,1540],{},", so its own override runs instead — the inherited version is replaced, not run as well.",[1080,2076,2078,2079,2081],{"id":2077},"step-4-why-override-is-worth-writing","Step 4: Why ",[1089,2080,1207],{}," Is Worth Writing",[1085,2083,2084,2085,2088,2089,2091],{},"Suppose the override's name had been mistyped as ",[1089,2086,2087],{},"reprot()",". With ",[1089,2090,1207],{}," in place, the compiler refuses the program:",[1126,2093,2096],{"className":2094,"code":2095,"language":2051},[2049],"error: method does not override or implement a method from a supertype\n    @Override\n    ^\n",[1089,2097,2095],{"__ignoreMap":1131},[1085,2099,2100,2101,2103,2104,2106,2107,2109,2110,2065,2112,2114],{},"Delete ",[1089,2102,1207],{}," and keep the typo, and the program compiles and runs — but now ",[1089,2105,2087],{}," is a brand-new, unrelated method, and ",[1089,2108,1540],{}," still inherits ",[1089,2111,1533],{},[1089,2113,1529],{}," unchanged:",[1126,2116,2119],{"className":2117,"code":2118,"language":2051},[2049],"Spare port: no reading available\nArm limit: no reading available\n",[1089,2120,2118],{"__ignoreMap":1131},[1085,2122,2123,2124,2126],{},"Nothing crashes and nothing warns you; the limit switch just quietly never reports its real state. ",[1089,2125,1207],{}," turns that silent bug into an error you can't miss.",[1080,2128,2130],{"id":2129},"step-5-override-vs-overload-one-more-time","Step 5: Override vs. Overload, One More Time",[1085,2132,2133,2134,2136,2137,2140,2141,2144,2145,2147,2148,1430,2151,2154,2155,2157,2158,2160,2161,2164,2165,2168,2169,2172],{},"If ",[1089,2135,1540],{}," had instead declared ",[1089,2138,2139],{},"public void report(int repeatCount)",", that would be an ",[1094,2142,2143],{},"overload"," — same name, different parameter list — not an override. ",[1089,2146,1540],{}," would then have ",[1103,2149,2150],{},"two",[1089,2152,2153],{},"report"," methods: the inherited ",[1089,2156,1529],{}," (still ",[1089,2159,1533],{},"'s version) and the new ",[1089,2162,2163],{},"report(int)",". Calling ",[1089,2166,2167],{},"armStop.report()"," would print ",[1089,2170,2171],{},"Arm limit: no reading available",". Only an exact signature match replaces the inherited method.",[1080,2174,2176],{"id":2175},"recap","Recap",[1407,2178,2179,2182,2188,2191],{},[1410,2180,2181],{},"An override declares a method with the same name and parameter list as the inherited one, and the same return type (or a subtype of it), replacing the superclass's version for that subclass.",[1410,2183,2184,2185,2187],{},"Always mark overrides with ",[1089,2186,1207],{}," — a typo in the name becomes a compile error instead of a silently unrelated new method.",[1410,2189,2190],{},"Changing the parameter list makes an overload, not an override; the inherited method stays in place alongside it.",[1410,2192,2193,2194,2196],{},"A subclass reaches its superclass's ",[1089,2195,1311],{}," fields only through inherited getters\u002Fsetters, even inside its own overrides.",[1496,2198,1498],{},{"title":1131,"searchDepth":1144,"depth":1144,"links":2200},[2201,2202,2203,2205,2207,2208,2210,2211],{"id":1522,"depth":1144,"text":1523},{"id":1550,"depth":1144,"text":1551},{"id":1661,"depth":1144,"text":2204},"Step 2: Write the Subclass and Override report()",{"id":1782,"depth":1144,"text":2206},"Step 3: Put It Together in main",{"id":2044,"depth":1144,"text":2045},{"id":2077,"depth":1144,"text":2209},"Step 4: Why @Override Is Worth Writing",{"id":2129,"depth":1144,"text":2130},{"id":2175,"depth":1144,"text":2176},{"outlineRef":1509,"pairsWith":2213,"status":2214},"[`lessons\u002Fch18-polymorphism-many-forms\u002F18.1-overriding-methods.md`](..\u002F..\u002Flessons\u002Fch18-polymorphism-many-forms\u002F18.1-overriding-methods.md)","new — authored worked example (fully solved, walked step by step — not a problem to attempt)",{"title":663,"description":1131},"je2uFj64JBoi7PDRAk7nXzYCSo3vw1p6wfdVMHPCLkc",{"id":2218,"title":976,"body":2219,"description":1131,"extension":1507,"meta":3585,"navigation":1159,"path":975,"seo":3587,"stem":977,"__hash__":3588},"exercises\u002Fshockwave-curriculum\u002Fexercises\u002Fch18-polymorphism-many-forms\u002F18.1-overriding-methods.md",{"type":1073,"value":2220,"toc":3580},[2221,2224,2228,2238,2261,2278,2283,2309,2315,2330,2375,2379,2406,2490,2493,2543,2548,2655,2738,2742,2748,2762,2831,2846,2852,2857,3066,3071,3076,3082,3087,3092,3097,3101,3107,3111,3117,3122,3126,3132,3136,3142,3147,3151,3157,3161,3167,3172,3176,3182,3186,3192,3197,3526,3578],[1076,2222,976],{"id":2223},"overriding-methods-exercises",[1080,2225,2227],{"id":2226},"multiple-choice","Multiple Choice",[1085,2229,2230,2233,2234,2237],{},[1094,2231,2232],{},"Question:"," An ",[1089,2235,2236],{},"Actuator"," class has this method:",[1126,2239,2241],{"className":1128,"code":2240,"language":1130,"meta":1131,"style":1131},"public void home()\n{\n    System.out.println(\"Actuator: homing\");\n}\n",[1089,2242,2243,2248,2252,2257],{"__ignoreMap":1131},[1135,2244,2245],{"class":1137,"line":1138},[1135,2246,2247],{},"public void home()\n",[1135,2249,2250],{"class":1137,"line":1144},[1135,2251,1147],{},[1135,2253,2254],{"class":1137,"line":1150},[1135,2255,2256],{},"    System.out.println(\"Actuator: homing\");\n",[1135,2258,2259],{"class":1137,"line":1156},[1135,2260,1202],{},[1085,2262,2263,2266,2267,2270,2271,1430,2274,2277],{},[1089,2264,2265],{},"Elevator extends Actuator",". Which method declaration, placed inside ",[1089,2268,2269],{},"Elevator",", correctly ",[1094,2272,2273],{},"overrides",[1089,2275,2276],{},"home()","?",[1085,2279,2280],{},[1094,2281,2282],{},"Options:",[1407,2284,2285,2291,2297,2303],{},[1410,2286,2287,2288],{},"A. ",[1089,2289,2290],{},"public void home(double speed) { ... }",[1410,2292,2293,2294],{},"B. ",[1089,2295,2296],{},"public int home() { ... }",[1410,2298,2299,2300],{},"C. ",[1089,2301,2302],{},"@Override public void home() { ... }",[1410,2304,2305,2306],{},"D. ",[1089,2307,2308],{},"@Override public void homee() { ... }",[1085,2310,2311,2314],{},[1094,2312,2313],{},"Answer:"," C",[1085,2316,2317,2320,2321,2323,2324,2326,2327,2329],{},[1094,2318,2319],{},"Why:"," An override needs the same name and parameter list as the inherited method, and the same return type (or a subtype of it). C matches ",[1089,2322,2276],{}," exactly — same name, no parameters, ",[1089,2325,1300],{}," — and ",[1089,2328,1207],{}," lets the compiler confirm it.",[1407,2331,2332,2351,2362],{},[1410,2333,2334,2335,2337,2338,2340,2341,2344,2345,2347,2348,2350],{},"A is wrong — adding a parameter makes it an ",[1094,2336,2143],{},", not an override. ",[1089,2339,2269],{}," would end up with two methods: its new ",[1089,2342,2343],{},"home(double)"," and the inherited ",[1089,2346,2276],{},", which still runs ",[1089,2349,2236],{},"'s version unchanged.",[1410,2352,2353,2354,2356,2357,1441,2359,2361],{},"B is wrong — it differs from the inherited ",[1089,2355,2276],{}," only by return type, and ",[1089,2358,1296],{},[1089,2360,1300],{},", so it's neither a valid override nor a valid overload. It doesn't compile.",[1410,2363,2364,2365,2368,2369,2371,2372,2374],{},"D is wrong — ",[1089,2366,2367],{},"homee"," is a typo, so there's no inherited method with that name to override. Because ",[1089,2370,1207],{}," is there, the compiler catches it and refuses to compile (without ",[1089,2373,1207],{},", it would silently become a brand-new, unrelated method).",[1080,2376,2378],{"id":2377},"micro-parsons","Micro-Parsons",[1085,2380,2381,2384,2385,2387,2388,2390,2391,2393,2394,2396,2397,2399,2400,2402,2403,1423],{},[1094,2382,2383],{},"Problem:"," Given this ",[1089,2386,2236],{}," class and ",[1089,2389,1786],{}," method, reorder the fragments below into the ",[1089,2392,2269],{}," class that goes where the comment is. ",[1089,2395,2269],{}," must extend ",[1089,2398,2236],{}," and override ",[1089,2401,2276],{}," so the program prints ",[1089,2404,2405],{},"Elevator: lowering to bottom limit",[1126,2407,2409],{"className":1128,"code":2408,"language":1130,"meta":1131,"style":1131},"public class HomingTest\n{\n    public static void main(String[] args)\n    {\n        Elevator lift = new Elevator();\n        lift.home();\n    }\n}\n\nclass Actuator\n{\n    public void home()\n    {\n        System.out.println(\"Actuator: homing\");\n    }\n}\n\n\u002F\u002F Elevator class goes here\n",[1089,2410,2411,2416,2420,2424,2428,2433,2438,2442,2446,2450,2455,2459,2464,2468,2473,2477,2481,2485],{"__ignoreMap":1131},[1135,2412,2413],{"class":1137,"line":1138},[1135,2414,2415],{},"public class HomingTest\n",[1135,2417,2418],{"class":1137,"line":1144},[1135,2419,1147],{},[1135,2421,2422],{"class":1137,"line":1150},[1135,2423,1805],{},[1135,2425,2426],{"class":1137,"line":1156},[1135,2427,1178],{},[1135,2429,2430],{"class":1137,"line":1163},[1135,2431,2432],{},"        Elevator lift = new Elevator();\n",[1135,2434,2435],{"class":1137,"line":1169},[1135,2436,2437],{},"        lift.home();\n",[1135,2439,2440],{"class":1137,"line":1175},[1135,2441,1196],{},[1135,2443,2444],{"class":1137,"line":1181},[1135,2445,1202],{},[1135,2447,2448],{"class":1137,"line":1187},[1135,2449,1160],{"emptyLinePlaceholder":1159},[1135,2451,2452],{"class":1137,"line":1193},[1135,2453,2454],{},"class Actuator\n",[1135,2456,2457],{"class":1137,"line":1199},[1135,2458,1147],{},[1135,2460,2461],{"class":1137,"line":1618},[1135,2462,2463],{},"    public void home()\n",[1135,2465,2466],{"class":1137,"line":1624},[1135,2467,1178],{},[1135,2469,2470],{"class":1137,"line":1629},[1135,2471,2472],{},"        System.out.println(\"Actuator: homing\");\n",[1135,2474,2475],{"class":1137,"line":1634},[1135,2476,1196],{},[1135,2478,2479],{"class":1137,"line":1640},[1135,2480,1202],{},[1135,2482,2483],{"class":1137,"line":1645},[1135,2484,1160],{"emptyLinePlaceholder":1159},[1135,2486,2487],{"class":1137,"line":1651},[1135,2488,2489],{},"\u002F\u002F Elevator class goes here\n",[1085,2491,2492],{},"Reorder the fragments below to complete it:",[1407,2494,2495,2501,2507,2513,2519,2525,2531,2537],{},[1410,2496,2497,2498],{},"a. ",[1089,2499,2500],{},"    public void home()",[1410,2502,2503,2504],{},"b. ",[1089,2505,2506],{},"}",[1410,2508,2509,2510],{},"c. ",[1089,2511,2512],{},"class Elevator extends Actuator",[1410,2514,2515,2516],{},"d. ",[1089,2517,2518],{},"        System.out.println(\"Elevator: lowering to bottom limit\");",[1410,2520,2521,2522],{},"e. ",[1089,2523,2524],{},"    @Override",[1410,2526,2527,2528],{},"f. ",[1089,2529,2530],{},"{",[1410,2532,2533,2534],{},"g. ",[1089,2535,2536],{},"    }",[1410,2538,2539,2540],{},"h. ",[1089,2541,2542],{},"    {",[1085,2544,2545,2547],{},[1094,2546,2313],{}," c, f, e, a, h, d, g, b",[1126,2549,2551],{"className":1128,"code":2550,"language":1130,"meta":1131,"style":1131},"public class HomingTest\n{\n    public static void main(String[] args)\n    {\n        Elevator lift = new Elevator();\n        lift.home();\n    }\n}\n\nclass Actuator\n{\n    public void home()\n    {\n        System.out.println(\"Actuator: homing\");\n    }\n}\n\nclass Elevator extends Actuator\n{\n    @Override\n    public void home()\n    {\n        System.out.println(\"Elevator: lowering to bottom limit\");\n    }\n}\n",[1089,2552,2553,2557,2561,2565,2569,2573,2577,2581,2585,2589,2593,2597,2601,2605,2609,2613,2617,2621,2626,2630,2634,2638,2642,2647,2651],{"__ignoreMap":1131},[1135,2554,2555],{"class":1137,"line":1138},[1135,2556,2415],{},[1135,2558,2559],{"class":1137,"line":1144},[1135,2560,1147],{},[1135,2562,2563],{"class":1137,"line":1150},[1135,2564,1805],{},[1135,2566,2567],{"class":1137,"line":1156},[1135,2568,1178],{},[1135,2570,2571],{"class":1137,"line":1163},[1135,2572,2432],{},[1135,2574,2575],{"class":1137,"line":1169},[1135,2576,2437],{},[1135,2578,2579],{"class":1137,"line":1175},[1135,2580,1196],{},[1135,2582,2583],{"class":1137,"line":1181},[1135,2584,1202],{},[1135,2586,2587],{"class":1137,"line":1187},[1135,2588,1160],{"emptyLinePlaceholder":1159},[1135,2590,2591],{"class":1137,"line":1193},[1135,2592,2454],{},[1135,2594,2595],{"class":1137,"line":1199},[1135,2596,1147],{},[1135,2598,2599],{"class":1137,"line":1618},[1135,2600,2463],{},[1135,2602,2603],{"class":1137,"line":1624},[1135,2604,1178],{},[1135,2606,2607],{"class":1137,"line":1629},[1135,2608,2472],{},[1135,2610,2611],{"class":1137,"line":1634},[1135,2612,1196],{},[1135,2614,2615],{"class":1137,"line":1640},[1135,2616,1202],{},[1135,2618,2619],{"class":1137,"line":1645},[1135,2620,1160],{"emptyLinePlaceholder":1159},[1135,2622,2623],{"class":1137,"line":1651},[1135,2624,2625],{},"class Elevator extends Actuator\n",[1135,2627,2628],{"class":1137,"line":1656},[1135,2629,1147],{},[1135,2631,2632],{"class":1137,"line":1876},[1135,2633,1166],{},[1135,2635,2636],{"class":1137,"line":1881},[1135,2637,2463],{},[1135,2639,2640],{"class":1137,"line":1886},[1135,2641,1178],{},[1135,2643,2644],{"class":1137,"line":1891},[1135,2645,2646],{},"        System.out.println(\"Elevator: lowering to bottom limit\");\n",[1135,2648,2649],{"class":1137,"line":1896},[1135,2650,1196],{},[1135,2652,2653],{"class":1137,"line":1901},[1135,2654,1202],{},[1085,2656,2657,2660,2661,2664,2665,2668,2669,2671,2672,2674,2675,2678,2679,2681,2682,2685,2686,2689,2690,2065,2692,2694,2695,2697,2698,2701,2702,2705,2706,2709,2710,2713,2714,2717,2718,2387,2720,2065,2723,2725,2726,2728,2729,2732,2733,1768,2735,1423],{},[1094,2658,2659],{},"Why this order:"," The class declaration (",[1089,2662,2663],{},"c",") comes first — ",[1089,2666,2667],{},"extends Actuator"," is what makes ",[1089,2670,2269],{}," inherit ",[1089,2673,2276],{}," in the first place, so there's something to override — followed by the class's opening brace (",[1089,2676,2677],{},"f","). ",[1089,2680,1207],{}," (",[1089,2683,2684],{},"e",") is an annotation on the method, so it sits directly above the method's signature (",[1089,2687,2688],{},"a","), which must match ",[1089,2691,2236],{},[1089,2693,2276],{}," exactly: same name, no parameters, ",[1089,2696,1300],{},". The method's opening brace (",[1089,2699,2700],{},"h","), its ",[1089,2703,2704],{},"println"," statement (",[1089,2707,2708],{},"d","), and its closing brace (",[1089,2711,2712],{},"g",") follow, and the class's closing brace (",[1089,2715,2716],{},"b",") comes last. The ",[1089,2719,2236],{},[1089,2721,2722],{},"HomingTest",[1089,2724,1786],{}," are the given scaffold; since ",[1089,2727,2269],{},"'s override replaces the inherited version, ",[1089,2730,2731],{},"lift.home()"," prints ",[1089,2734,2405],{},[1089,2736,2737],{},"Actuator: homing",[1080,2739,2741],{"id":2740},"coding","Coding",[1085,2743,2744,2747],{},[1094,2745,2746],{},"Mode:"," full-program",[1085,2749,2750,1430,2752,2754,2755,2757,2758,2761],{},[1094,2751,2383],{},[1089,2753,1111],{}," (below, already written, and not to be changed) has a general ",[1089,2756,1115],{},"\nthat logs ",[1089,2759,2760],{},"stopped",". Write two subclasses that replace it:",[1407,2763,2764,2796],{},[1410,2765,2766,2768,2769,2772,2773,2775,2777,2778,2781,2782,1773,2785,2788,2789,2792,2793,1423],{},[1089,2767,1123],{},", with the constructor ",[1089,2770,2771],{},"Intake(String name, boolean hasGamePiece)",". It ",[1094,2774,2273],{},[1089,2776,1115],{},": it logs ",[1089,2779,2780],{},"rollers off, game piece held"," when ",[1089,2783,2784],{},"hasGamePiece",[1089,2786,2787],{},"true",", and ",[1089,2790,2791],{},"rollers off","\nwhen it is ",[1089,2794,2795],{},"false",[1410,2797,2798,2768,2801,2772,2804,1430,2806,2808,2809,2812,2813,2815,2816,2819,2820,2823,2824,2827,2828,2830],{},[1089,2799,2800],{},"Shooter",[1089,2802,2803],{},"Shooter(String name)",[1094,2805,2273],{},[1089,2807,1115],{}," to log\n",[1089,2810,2811],{},"flywheel off",". It also gets an ",[1094,2814,2143],{},", ",[1089,2817,2818],{},"stop(int seconds)",", that logs\n",[1089,2821,2822],{},"flywheel coasting for N s"," (with the number in place of ",[1089,2825,2826],{},"N",") and leaves the plain ",[1089,2829,1115],{},"\nalone.",[1085,2832,2833,2834,2836,2837,2839,2840,2842,2843,1244],{},"Use ",[1089,2835,1207],{}," on the overrides. The fixed ",[1089,2838,1786],{}," reads one part per run and stops it through a\n",[1089,2841,1111],{}," variable, which is the call that only an override can change. For the input\n",[1089,2844,2845],{},"shooter Main 3",[1126,2847,2850],{"className":2848,"code":2849,"language":2051,"meta":1131},[2049],"[Main] flywheel off\n[Main] flywheel coasting for 3 s\n",[1089,2851,2849],{"__ignoreMap":1131},[1085,2853,2854],{},[1094,2855,2856],{},"Starter:",[1126,2858,2860],{"className":1128,"code":2859,"language":1130,"meta":1131,"style":1131},"import java.util.*;\n\npublic class Main\n{\n    \u002F\u002F Don't change main\n    public static void main(String[] args)\n    {\n        Scanner in = new Scanner(System.in);\n        String kind = in.next();\n        String name = in.next();\n        if (kind.equals(\"intake\"))\n        {\n            RobotPart part = new Intake(name, in.nextBoolean());\n            part.stop();\n        }\n        else\n        {\n            Shooter shooter = new Shooter(name);\n            RobotPart part = shooter;\n            part.stop();\n            shooter.stop(in.nextInt());\n        }\n    }\n}\n\n\u002F\u002F Don't change RobotPart\nclass RobotPart\n{\n    private String name;\n\n    public RobotPart(String name) { this.name = name; }\n    public String getName() { return name; }\n    public void log(String msg) { System.out.println(\"[\" + name + \"] \" + msg); }\n    public void stop() { log(\"stopped\"); }\n}\n\nclass Intake\n{\n    \u002F\u002F TODO: extend RobotPart; constructor (String, boolean); override stop()\n}\n\nclass Shooter\n{\n    \u002F\u002F TODO: extend RobotPart; constructor (String); override stop(); overload stop(int)\n}\n",[1089,2861,2862,2867,2871,2876,2880,2885,2889,2893,2898,2903,2908,2913,2918,2923,2928,2933,2938,2942,2947,2952,2956,2961,2965,2969,2973,2977,2982,2987,2991,2995,2999,3004,3009,3013,3018,3022,3026,3031,3035,3040,3044,3048,3053,3057,3062],{"__ignoreMap":1131},[1135,2863,2864],{"class":1137,"line":1138},[1135,2865,2866],{},"import java.util.*;\n",[1135,2868,2869],{"class":1137,"line":1144},[1135,2870,1160],{"emptyLinePlaceholder":1159},[1135,2872,2873],{"class":1137,"line":1150},[1135,2874,2875],{},"public class Main\n",[1135,2877,2878],{"class":1137,"line":1156},[1135,2879,1147],{},[1135,2881,2882],{"class":1137,"line":1163},[1135,2883,2884],{},"    \u002F\u002F Don't change main\n",[1135,2886,2887],{"class":1137,"line":1169},[1135,2888,1805],{},[1135,2890,2891],{"class":1137,"line":1175},[1135,2892,1178],{},[1135,2894,2895],{"class":1137,"line":1181},[1135,2896,2897],{},"        Scanner in = new Scanner(System.in);\n",[1135,2899,2900],{"class":1137,"line":1187},[1135,2901,2902],{},"        String kind = in.next();\n",[1135,2904,2905],{"class":1137,"line":1193},[1135,2906,2907],{},"        String name = in.next();\n",[1135,2909,2910],{"class":1137,"line":1199},[1135,2911,2912],{},"        if (kind.equals(\"intake\"))\n",[1135,2914,2915],{"class":1137,"line":1618},[1135,2916,2917],{},"        {\n",[1135,2919,2920],{"class":1137,"line":1624},[1135,2921,2922],{},"            RobotPart part = new Intake(name, in.nextBoolean());\n",[1135,2924,2925],{"class":1137,"line":1629},[1135,2926,2927],{},"            part.stop();\n",[1135,2929,2930],{"class":1137,"line":1634},[1135,2931,2932],{},"        }\n",[1135,2934,2935],{"class":1137,"line":1640},[1135,2936,2937],{},"        else\n",[1135,2939,2940],{"class":1137,"line":1645},[1135,2941,2917],{},[1135,2943,2944],{"class":1137,"line":1651},[1135,2945,2946],{},"            Shooter shooter = new Shooter(name);\n",[1135,2948,2949],{"class":1137,"line":1656},[1135,2950,2951],{},"            RobotPart part = shooter;\n",[1135,2953,2954],{"class":1137,"line":1876},[1135,2955,2927],{},[1135,2957,2958],{"class":1137,"line":1881},[1135,2959,2960],{},"            shooter.stop(in.nextInt());\n",[1135,2962,2963],{"class":1137,"line":1886},[1135,2964,2932],{},[1135,2966,2967],{"class":1137,"line":1891},[1135,2968,1196],{},[1135,2970,2971],{"class":1137,"line":1896},[1135,2972,1202],{},[1135,2974,2975],{"class":1137,"line":1901},[1135,2976,1160],{"emptyLinePlaceholder":1159},[1135,2978,2979],{"class":1137,"line":1906},[1135,2980,2981],{},"\u002F\u002F Don't change RobotPart\n",[1135,2983,2984],{"class":1137,"line":1911},[1135,2985,2986],{},"class RobotPart\n",[1135,2988,2989],{"class":1137,"line":1916},[1135,2990,1147],{},[1135,2992,2993],{"class":1137,"line":1921},[1135,2994,1580],{},[1135,2996,2997],{"class":1137,"line":1926},[1135,2998,1160],{"emptyLinePlaceholder":1159},[1135,3000,3001],{"class":1137,"line":1931},[1135,3002,3003],{},"    public RobotPart(String name) { this.name = name; }\n",[1135,3005,3006],{"class":1137,"line":1936},[1135,3007,3008],{},"    public String getName() { return name; }\n",[1135,3010,3011],{"class":1137,"line":1941},[1135,3012,1268],{},[1135,3014,3015],{"class":1137,"line":1946},[1135,3016,3017],{},"    public void stop() { log(\"stopped\"); }\n",[1135,3019,3020],{"class":1137,"line":1951},[1135,3021,1202],{},[1135,3023,3024],{"class":1137,"line":1956},[1135,3025,1160],{"emptyLinePlaceholder":1159},[1135,3027,3028],{"class":1137,"line":1961},[1135,3029,3030],{},"class Intake\n",[1135,3032,3033],{"class":1137,"line":1966},[1135,3034,1147],{},[1135,3036,3037],{"class":1137,"line":1971},[1135,3038,3039],{},"    \u002F\u002F TODO: extend RobotPart; constructor (String, boolean); override stop()\n",[1135,3041,3042],{"class":1137,"line":1976},[1135,3043,1202],{},[1135,3045,3046],{"class":1137,"line":1981},[1135,3047,1160],{"emptyLinePlaceholder":1159},[1135,3049,3050],{"class":1137,"line":1986},[1135,3051,3052],{},"class Shooter\n",[1135,3054,3055],{"class":1137,"line":1991},[1135,3056,1147],{},[1135,3058,3059],{"class":1137,"line":1996},[1135,3060,3061],{},"    \u002F\u002F TODO: extend RobotPart; constructor (String); override stop(); overload stop(int)\n",[1135,3063,3064],{"class":1137,"line":2001},[1135,3065,1202],{},[1085,3067,3068],{},[1094,3069,3070],{},"Scenario 1 (visible):",[1085,3072,3073],{},[1094,3074,3075],{},"Input:",[1126,3077,3080],{"className":3078,"code":3079,"language":2051,"meta":1131},[2049],"shooter Main 3\n",[1089,3081,3079],{"__ignoreMap":1131},[1085,3083,3084],{},[1094,3085,3086],{},"Expected output:",[1126,3088,3090],{"className":3089,"code":2849,"language":2051,"meta":1131},[2049],[1089,3091,2849],{"__ignoreMap":1131},[1085,3093,3094],{},[1094,3095,3096],{},"Scenario 2 (visible):",[1085,3098,3099],{},[1094,3100,3075],{},[1126,3102,3105],{"className":3103,"code":3104,"language":2051,"meta":1131},[2049],"intake Front true\n",[1089,3106,3104],{"__ignoreMap":1131},[1085,3108,3109],{},[1094,3110,3086],{},[1126,3112,3115],{"className":3113,"code":3114,"language":2051,"meta":1131},[2049],"[Front] rollers off, game piece held\n",[1089,3116,3114],{"__ignoreMap":1131},[1085,3118,3119],{},[1094,3120,3121],{},"Scenario 3 (hidden):",[1085,3123,3124],{},[1094,3125,3075],{},[1126,3127,3130],{"className":3128,"code":3129,"language":2051,"meta":1131},[2049],"intake Back false\n",[1089,3131,3129],{"__ignoreMap":1131},[1085,3133,3134],{},[1094,3135,3086],{},[1126,3137,3140],{"className":3138,"code":3139,"language":2051,"meta":1131},[2049],"[Back] rollers off\n",[1089,3141,3139],{"__ignoreMap":1131},[1085,3143,3144],{},[1094,3145,3146],{},"Scenario 4 (hidden):",[1085,3148,3149],{},[1094,3150,3075],{},[1126,3152,3155],{"className":3153,"code":3154,"language":2051,"meta":1131},[2049],"shooter Top 12\n",[1089,3156,3154],{"__ignoreMap":1131},[1085,3158,3159],{},[1094,3160,3086],{},[1126,3162,3165],{"className":3163,"code":3164,"language":2051,"meta":1131},[2049],"[Top] flywheel off\n[Top] flywheel coasting for 12 s\n",[1089,3166,3164],{"__ignoreMap":1131},[1085,3168,3169],{},[1094,3170,3171],{},"Scenario 5 (hidden):",[1085,3173,3174],{},[1094,3175,3075],{},[1126,3177,3180],{"className":3178,"code":3179,"language":2051,"meta":1131},[2049],"shooter Aux 0\n",[1089,3181,3179],{"__ignoreMap":1131},[1085,3183,3184],{},[1094,3185,3086],{},[1126,3187,3190],{"className":3188,"code":3189,"language":2051,"meta":1131},[2049],"[Aux] flywheel off\n[Aux] flywheel coasting for 0 s\n",[1089,3191,3189],{"__ignoreMap":1131},[1085,3193,3194],{},[1094,3195,3196],{},"Solution:",[1126,3198,3200],{"className":1128,"code":3199,"language":1130,"meta":1131,"style":1131},"import java.util.*;\n\npublic class Main\n{\n    \u002F\u002F Don't change main\n    public static void main(String[] args)\n    {\n        Scanner in = new Scanner(System.in);\n        String kind = in.next();\n        String name = in.next();\n        if (kind.equals(\"intake\"))\n        {\n            RobotPart part = new Intake(name, in.nextBoolean());\n            part.stop();\n        }\n        else\n        {\n            Shooter shooter = new Shooter(name);\n            RobotPart part = shooter;\n            part.stop();\n            shooter.stop(in.nextInt());\n        }\n    }\n}\n\n\u002F\u002F Don't change RobotPart\nclass RobotPart\n{\n    private String name;\n\n    public RobotPart(String name) { this.name = name; }\n    public String getName() { return name; }\n    public void log(String msg) { System.out.println(\"[\" + name + \"] \" + msg); }\n    public void stop() { log(\"stopped\"); }\n}\n\nclass Intake extends RobotPart\n{\n    private boolean hasGamePiece;\n\n    public Intake(String name, boolean hasGamePiece)\n    {\n        super(name);\n        this.hasGamePiece = hasGamePiece;\n    }\n\n    @Override\n    public void stop()\n    {\n        if (hasGamePiece)\n        {\n            log(\"rollers off, game piece held\");\n        }\n        else\n        {\n            log(\"rollers off\");\n        }\n    }\n}\n\nclass Shooter extends RobotPart\n{\n    public Shooter(String name) { super(name); }\n\n    @Override\n    public void stop() { log(\"flywheel off\"); }\n\n    public void stop(int seconds)\n    {\n        log(\"flywheel coasting for \" + seconds + \" s\");\n    }\n}\n",[1089,3201,3202,3206,3210,3214,3218,3222,3226,3230,3234,3238,3242,3246,3250,3254,3258,3262,3266,3270,3274,3278,3282,3286,3290,3294,3298,3302,3306,3310,3314,3318,3322,3326,3330,3334,3338,3342,3346,3351,3355,3360,3364,3369,3373,3377,3382,3386,3390,3394,3398,3403,3409,3414,3420,3425,3430,3435,3441,3446,3451,3456,3461,3467,3472,3478,3483,3488,3494,3499,3505,3510,3516,3521],{"__ignoreMap":1131},[1135,3203,3204],{"class":1137,"line":1138},[1135,3205,2866],{},[1135,3207,3208],{"class":1137,"line":1144},[1135,3209,1160],{"emptyLinePlaceholder":1159},[1135,3211,3212],{"class":1137,"line":1150},[1135,3213,2875],{},[1135,3215,3216],{"class":1137,"line":1156},[1135,3217,1147],{},[1135,3219,3220],{"class":1137,"line":1163},[1135,3221,2884],{},[1135,3223,3224],{"class":1137,"line":1169},[1135,3225,1805],{},[1135,3227,3228],{"class":1137,"line":1175},[1135,3229,1178],{},[1135,3231,3232],{"class":1137,"line":1181},[1135,3233,2897],{},[1135,3235,3236],{"class":1137,"line":1187},[1135,3237,2902],{},[1135,3239,3240],{"class":1137,"line":1193},[1135,3241,2907],{},[1135,3243,3244],{"class":1137,"line":1199},[1135,3245,2912],{},[1135,3247,3248],{"class":1137,"line":1618},[1135,3249,2917],{},[1135,3251,3252],{"class":1137,"line":1624},[1135,3253,2922],{},[1135,3255,3256],{"class":1137,"line":1629},[1135,3257,2927],{},[1135,3259,3260],{"class":1137,"line":1634},[1135,3261,2932],{},[1135,3263,3264],{"class":1137,"line":1640},[1135,3265,2937],{},[1135,3267,3268],{"class":1137,"line":1645},[1135,3269,2917],{},[1135,3271,3272],{"class":1137,"line":1651},[1135,3273,2946],{},[1135,3275,3276],{"class":1137,"line":1656},[1135,3277,2951],{},[1135,3279,3280],{"class":1137,"line":1876},[1135,3281,2927],{},[1135,3283,3284],{"class":1137,"line":1881},[1135,3285,2960],{},[1135,3287,3288],{"class":1137,"line":1886},[1135,3289,2932],{},[1135,3291,3292],{"class":1137,"line":1891},[1135,3293,1196],{},[1135,3295,3296],{"class":1137,"line":1896},[1135,3297,1202],{},[1135,3299,3300],{"class":1137,"line":1901},[1135,3301,1160],{"emptyLinePlaceholder":1159},[1135,3303,3304],{"class":1137,"line":1906},[1135,3305,2981],{},[1135,3307,3308],{"class":1137,"line":1911},[1135,3309,2986],{},[1135,3311,3312],{"class":1137,"line":1916},[1135,3313,1147],{},[1135,3315,3316],{"class":1137,"line":1921},[1135,3317,1580],{},[1135,3319,3320],{"class":1137,"line":1926},[1135,3321,1160],{"emptyLinePlaceholder":1159},[1135,3323,3324],{"class":1137,"line":1931},[1135,3325,3003],{},[1135,3327,3328],{"class":1137,"line":1936},[1135,3329,3008],{},[1135,3331,3332],{"class":1137,"line":1941},[1135,3333,1268],{},[1135,3335,3336],{"class":1137,"line":1946},[1135,3337,3017],{},[1135,3339,3340],{"class":1137,"line":1951},[1135,3341,1202],{},[1135,3343,3344],{"class":1137,"line":1956},[1135,3345,1160],{"emptyLinePlaceholder":1159},[1135,3347,3348],{"class":1137,"line":1961},[1135,3349,3350],{},"class Intake extends RobotPart\n",[1135,3352,3353],{"class":1137,"line":1966},[1135,3354,1147],{},[1135,3356,3357],{"class":1137,"line":1971},[1135,3358,3359],{},"    private boolean hasGamePiece;\n",[1135,3361,3362],{"class":1137,"line":1976},[1135,3363,1160],{"emptyLinePlaceholder":1159},[1135,3365,3366],{"class":1137,"line":1981},[1135,3367,3368],{},"    public Intake(String name, boolean hasGamePiece)\n",[1135,3370,3371],{"class":1137,"line":1986},[1135,3372,1178],{},[1135,3374,3375],{"class":1137,"line":1991},[1135,3376,1724],{},[1135,3378,3379],{"class":1137,"line":1996},[1135,3380,3381],{},"        this.hasGamePiece = hasGamePiece;\n",[1135,3383,3384],{"class":1137,"line":2001},[1135,3385,1196],{},[1135,3387,3388],{"class":1137,"line":2006},[1135,3389,1160],{"emptyLinePlaceholder":1159},[1135,3391,3392],{"class":1137,"line":2011},[1135,3393,1166],{},[1135,3395,3396],{"class":1137,"line":2016},[1135,3397,1172],{},[1135,3399,3401],{"class":1137,"line":3400},49,[1135,3402,1178],{},[1135,3404,3406],{"class":1137,"line":3405},50,[1135,3407,3408],{},"        if (hasGamePiece)\n",[1135,3410,3412],{"class":1137,"line":3411},51,[1135,3413,2917],{},[1135,3415,3417],{"class":1137,"line":3416},52,[1135,3418,3419],{},"            log(\"rollers off, game piece held\");\n",[1135,3421,3423],{"class":1137,"line":3422},53,[1135,3424,2932],{},[1135,3426,3428],{"class":1137,"line":3427},54,[1135,3429,2937],{},[1135,3431,3433],{"class":1137,"line":3432},55,[1135,3434,2917],{},[1135,3436,3438],{"class":1137,"line":3437},56,[1135,3439,3440],{},"            log(\"rollers off\");\n",[1135,3442,3444],{"class":1137,"line":3443},57,[1135,3445,2932],{},[1135,3447,3449],{"class":1137,"line":3448},58,[1135,3450,1196],{},[1135,3452,3454],{"class":1137,"line":3453},59,[1135,3455,1202],{},[1135,3457,3459],{"class":1137,"line":3458},60,[1135,3460,1160],{"emptyLinePlaceholder":1159},[1135,3462,3464],{"class":1137,"line":3463},61,[1135,3465,3466],{},"class Shooter extends RobotPart\n",[1135,3468,3470],{"class":1137,"line":3469},62,[1135,3471,1147],{},[1135,3473,3475],{"class":1137,"line":3474},63,[1135,3476,3477],{},"    public Shooter(String name) { super(name); }\n",[1135,3479,3481],{"class":1137,"line":3480},64,[1135,3482,1160],{"emptyLinePlaceholder":1159},[1135,3484,3486],{"class":1137,"line":3485},65,[1135,3487,1166],{},[1135,3489,3491],{"class":1137,"line":3490},66,[1135,3492,3493],{},"    public void stop() { log(\"flywheel off\"); }\n",[1135,3495,3497],{"class":1137,"line":3496},67,[1135,3498,1160],{"emptyLinePlaceholder":1159},[1135,3500,3502],{"class":1137,"line":3501},68,[1135,3503,3504],{},"    public void stop(int seconds)\n",[1135,3506,3508],{"class":1137,"line":3507},69,[1135,3509,1178],{},[1135,3511,3513],{"class":1137,"line":3512},70,[1135,3514,3515],{},"        log(\"flywheel coasting for \" + seconds + \" s\");\n",[1135,3517,3519],{"class":1137,"line":3518},71,[1135,3520,1196],{},[1135,3522,3524],{"class":1137,"line":3523},72,[1135,3525,1202],{},[1085,3527,3528,3530,3531,2815,3534,3536,3537,3540,3541,3543,3544,3546,3547,3549,3550,3552,3553,3555,3556,3559,3560,3562,3563,3565,3566,3568,3569,3571,3572,3574,3575,3577],{},[1094,3529,2319],{}," Overriding means the ",[1094,3532,3533],{},"same signature",[1089,3535,1115],{}," with no parameters, so\n",[1089,3538,3539],{},"part.stop()"," on a ",[1089,3542,1111],{}," variable runs the subclass's version. ",[1089,3545,2818],{}," has a\ndifferent parameter list, so it is an ",[1094,3548,2143],{},": it sits beside the inherited ",[1089,3551,1115],{}," instead of\nreplacing it, and it overrides nothing, so it gets no ",[1089,3554,1207],{},". A student who writes only\n",[1089,3557,3558],{},"stop(int)"," for ",[1089,3561,2800],{}," has overridden nothing, and ",[1089,3564,3539],{}," still prints ",[1089,3567,2760],{},". Here\n",[1089,3570,1207],{}," earns its keep on ",[1089,3573,1123],{},": a typo like ",[1089,3576,1211],{}," would be a compile error, not a\nmethod that silently never runs.",[1496,3579,1498],{},{"title":1131,"searchDepth":1144,"depth":1144,"links":3581},[3582,3583,3584],{"id":2226,"depth":1144,"text":2227},{"id":2377,"depth":1144,"text":2378},{"id":2740,"depth":1144,"text":2741},{"outlineRef":1509,"pairsWith":2213,"status":3586},"new — authored exercises (Multiple Choice + Micro-Parsons + Coding)",{"title":976,"description":1131},"Ta-5u_vqkiPicm5kQ2aF_pJfZZ9Rq6juILvHZngbi7k",1792718166136]